Leaf Essays & Research Papers

Best Leaf Essays

  • the last leaf - 609 Words
    The Last Leaf -O’Henry  Introduction: "The Last Leaf" by O. Henry is an interesting short story about a sick girl who is deeply affected by a bare ivy vine. Johnsy thinks that she will die as soon as the last leaf on that vine falls. She becomes close to death, but a neighbor called Mr. Behrman, an artist, saves her life and dies.  Johnsy’s wish: Sue and Johnsy were painters. They had a studio in the west of...
    609 Words | 2 Pages
  • Specialized Leaf - 503 Words
    Specialized Leaf Specimen Modification Function Illustration Tendrils Common Name: Scientific Name: Insect-trapping leaves Common Name: Scientific Name: Spines Common Name: Scientific Name: Storage Leaves Common Name: Scientific Name: Window leaves Common Name: Scientific Name: Floral leaves/ bract Common Name: Scientific Name: Succulent leaves Common Name: Scientific Name: 1. Insect-Trapping Leaves—These plants are always attention grabbers and...
    503 Words | 3 Pages
  • Leaf Abscission - 667 Words
    Hormone Control of Leaf Abscission Lab Report February 24, 2011 By Patrick Mills Introduction- Hormones are a chemical are transported within an organism and are highly specific chemical signals between cells. The hormones we used were lanolin, auxins(IAA), cytokinins(CYT), ethylene(ETH), and gibberellins(GA) and each has a different purpose. Auxins will control cell elongation, cytokinins promote the act of cell division, ethylene causes the ripening of fruit, and gibberellins will...
    667 Words | 2 Pages
  • The Last Leaf - 774 Words
    The Last Leaf To be perfect short story neatness, brevity and a significant incident or an aspect of character or an experience of some psychological moment is essential. Within its short frame work, it must have a beginning, middle and an end. There must be completeness in its structure. All the elements plot, character, dialogue, descriptions and background must be organically connected with other. Generally a good story has a surprising end which bears a sense of endlessness. All these...
    774 Words | 2 Pages
  • All Leaf Essays

  • The Last Leaf - 442 Words
    The story is worth reading as it begins with a metaphorical description of a street in New York City. Then it slightly develops to pave the way for the appearance of the two main actress, Sue and Johnsy. They both are artists in painting. After that the story centers a-round these two female artists who live together in a flat. Johnsy catches pneumonia and stays in bed. Sue cannot live happily without her, yet Johnsy has lost the will to live. She decides to hang on until all of the leaves have...
    442 Words | 2 Pages
  • Leaf and Photosynthesis - 822 Words
     The Relative Rate of Photosynthesis of Spinach leaves when they are subjugated to Different Concentration levels of a Bicarbonate Solution. And how we determined that the highest Concentration solution yielded the fastest rate of Photosynthesis. Abstract The purpose of this experiment was to determine the rate of photosynthesis in different concentrations of a Bicarbonate solution. My Hypothesis was that if you placed the spinach disks in the highest concentration of bicarbonate...
    822 Words | 3 Pages
  • Leaf and Highest Transpiration Rates
    Virtual Lab: Plant Transpiration Please complete questions below prior to attempting the lab report for this assignment. Table 1: Total Amount of Water (in mL) Transpired in One Hour Plant Type Normal Conditions (21oC) With Heater (27oC) With Fan (21oC) With Lamp (21oC) Arrowhead 3.6 6.6 7.5 4.0 Coleus 0.9 3.9 6.0 3.0 Devil’s Ivy 2.9 4.1 4.6 3.0 Dieffenbachia 4.1 6.0 7.7 3.9 English Ivy 1.8 3.2 5.1 2.1 Geranium 1.2 5.8 4.7 2.4 Rubber Plant 4.9 6.8 8.4 4.3 Weeping Plant 3.3 4.9...
    493 Words | 3 Pages
  • The Last Leaf Review - 912 Words
    O Henry always has me saying ‘O marvelous’! The gruesome plots, the careful work on the minutest of the minute details, the unpredictable surprise endings, the imaginative use of connotation and so much more. He dared to personify the dreadful Pneumonia as ‘the cold, unseen stranger’! THE LAST LEAF remains one of my favorite short stories written by him. The plot revolves around two artist girls – Sue and Johnsy - who have their own ‘studio’ in quaint old Greenwich Village. Their’s was a...
    912 Words | 2 Pages
  • stomata distribution in a dicot leaf
    Aim: To investigate and compare the distribution density of stomata in the upper and lower epidermis of a dicotyledonous leaf. Stomata are the principle means of gas exchange in plants. Stomata are small pores they are controlled by guard cells which control the opening and closing of stomata. Stomata allow carbon dioxide to enter the plant, and allow water and excess oxygen to escape. About 90% of water is lost from the leaf during transpiration. The number of stomata on leaf surface varies...
    951 Words | 7 Pages
  • The Clover Leaf Model - 434 Words
    The Clover Leaf Model The Clover Leaf Model is utilized to assess the readiness of a new technology to commercialize and enter the market. It is dubbed “clover leaf” because it encapsulates four key criteria which resemble the leaves of a four-leaf clover. Those criteria are: market readiness, technology readiness, commercial readiness, and management readiness. The “market readiness” criteria assesses the marketability of the technology. Its main purpose is to ascertain how well the...
    434 Words | 2 Pages
  • Investigating Number of Stomata on a Leaf
    Lab Design “Investigate the effect of a factor on the number of stomata of a leaf.” Research Question: How do differing leaf heights affect the number/density of stomata of a leaf? Hypothesis Stomata are pores, typically found under the leaf (lower epidermis), that control the gas exchange of transpiration, where water vapor leaves the plants, and carbon dioxide enters. I predict that the stomatal density on high leafs is higher than on low leafs. During photosynthesis the...
    1,305 Words | 6 Pages
  • Avocado Leaf Plasticity - 770 Words
    DIFFERENCES IN SUN AND SHADE LEAVES OF AVOCADO TREES BY PHENOTYPIC PLASTICITY INTRODUCTION: Phenotypic plasticity, or differing phenotypes from one genotype in different environmental conditions, is a way for sessile organisms to adapt to changing environmental conditions (Valladares et al., 2007). Plasticity was expected to be abundant, however, it did not occur as often in nature due to resource limitations and environmental stress (Valladares et al., 2007). An experiment by Matos...
    770 Words | 4 Pages
  • Transpiration and Leaf Resistance - 1501 Words
    Transpiration and Leaf Resistance By: Bernina Berber Introduction Transpiration is a part of the water cycle process, and it is the loss of water vapor from parts of the plants. It is a process similar to evaporation. Evaporation and diffusion cause the plant tissue to have negative water potential. If you were to compare transpiration it would be like saying it is close to sweating (but in plants), especially in leaves but also in stems, flowers and roots. Stomata are dots with openings...
    1,501 Words | 4 Pages
  • The Last Leaf by O. Henry
    "The Last Leaf" by O. Henry is an interesting short story about a sick girl who is deeply affected by a bare ivy vine. Johnsy thinks that she will die as soon as the last leaf on that vine falls. She becomes close to death, but a neighbor called Mr. Behrman, an artist, saves her life and dies. This paper will focus on different causes and effects involved in, first, Johnsy's case and, second, the death of Mr. Behrman. First, many things lead Johnsy to be touched with the idea of death. When...
    544 Words | 2 Pages
  • Gliricidia Sepium Leaf Extract
    GLIRICIDIA SEPIUM LEAF EXTRACT FOR HOGS MANGE INVESTIGATORY PROJECT IN SCIENCE SUBMITTED BY: CRISTEL GELIANNE M. ALOG SUBMITTED TO: MRS. LERMA A. AROSA INTRODUCTION A. Background of the study Gliricidia sepium is a kind of tree common in the community. People use it for fuel unaware of its value as medicinal plant. The idea that...
    688 Words | 4 Pages
  • Stem and Leaf Characterization of the Eucalyptus Deglupta
    STEM AND LEAF CHARACTERIZATION OF Eucalyptus deglupta Austria, C., Batenga, B., Daysa, R., Dela Rosa, J., Rebong, C.1 1 Department of Biology, College of Science, University of Philippines Baguio Baguio City,Philippines INTRODUCTION bole that reaches up to 240cm (Figure 1a). It has a multi colored bark that varies from green, yellow, bluish, purplish, pink and orange. It has a green under bark and right before exfoliation occurs, the bark changes to brownish maroon (Figure 1b). The...
    2,976 Words | 22 Pages
  • ABSTRACT SOLAR TEA LEAF CUTTING MACHINE
    SOLAR TEA LEAF CUTTING MACHINE SYNOPSIS Generally the cutting and plate are made in plastics. The plastics are harmful and it has many disadvantages to us. By naturally we get leaves, Leafs by using this we can make cups. It is very cheap and it does not have any chemical effects. The Leaf cup is made by a solar tea leaf cutting machine. The machine is operated by the solar power cutting making system. By using this we can produce cutting at high production rate. By using different...
    358 Words | 2 Pages
  • The Growth of Bacteria Influenced by Different Antibiotics
     The Growth of Bacteria Influenced by Different Antibiotics Introduction: Plants are made up of three basic kinds of tissue that help it carry out basic functions that are necessary to maintain life and proper photosynthesis. The first and outermost layer of tissue is called the dermal layer. This is the plant’s ‘skin’ and serves the plant mainly as a source of protection. Also present in the dermal layer of the leaves are stomata, which are tiny openings that allow carbon dioxide to...
    1,163 Words | 4 Pages
  • Biology - 401 Words
    Hypothesis: I predict that the leaves taken from the outer area of a shrub have a higher stomatal index (/density) than those taken from the centre of a shrub this are due to light levels. Explanation: Plants have stomata to obtain carbon dioxide from the atmosphere and remove oxygen produced in photosynthesis. During photosynthesis the chloroplasts in the leaf cells synthesize as a result of exposure to light, while oxygen is produced as a by-product. As the outer leafs are exposed to higher...
    401 Words | 1 Page
  • To Verify Stomata by a Experiment - 391 Words
    EXPERIMENT No. 3 Objective :- To prepare a temporary mount of a leaf peel to show stomata. B) Materials required :- Fresh leaves of plant, compound microscope, glass slides, cover slips, water, glycerine, safranine, blotting paper, needles, brush etc. C) Theory :- i) Stomata are minute pore present on the surface of the leaves. ii) Though they are found on both the upper and lower epidermis of the leaf, they are more in number on the...
    391 Words | 2 Pages
  • Notes on the Plant Kingdom - 1167 Words
    Plant Kingdom * Bryophyta * Non-vascular (no xylem or phloem) * Reliance on diffusion and osmosis * Ergo, size restriction to damp areas * Reproduce via haploid spores * No roots; rhizoids * No true stems * Possible earliest colonists of land. * Moss, liverworts, hornworts * Filicinophyta * Seedless (male gamete meets female gametes) * Vascular (xylem carry water and phloem carry nutrients) * Ferns, club mosses,...
    1,167 Words | 6 Pages
  • Studies on Dehydration of Curry Leaves
    STUDIES ON DEHYDRATION OF CURRY LEAVES B. K. Sakhale, A.S. Nandane A.R. Tapre and R.C. Ranveer ABSTRACT The curry leaves (Murraya koenigii), one of green leafy vegetable was obtained from local vegetable market of Aurangabad city. These curry leaves were washed and blanched in hot water containing 0.1 per cent magnesium oxide. The treated leaves were then dried in different drying conditions like direct sun drying, shade drying and tray drying. The dried leaves were analyzed for their...
    2,034 Words | 8 Pages
  • Plumeria Acuminata - 11586 Words
    Kalachuchi Plumiera rubra TEMPLE FLOWER, FRANGIPANI Other scientific names Common names Plumiera acuminata Kachuchi (C. Bis.) Plumiera alba Kalachuche (Tag., Bik.) Kalasusi (Tag.) Kalatsutsi (Tag.) Kalanuche (Ilk.) Kalonoche (Ilk.) Karachucha (Tag.) Karatuche (Tag.) Frangipani (Engl.) Temple flower (Engl.) Botany · Small tree, 3 to 7 m high, stem smooth and shining, succulent, with abundant white latex; easily breaks. · Leaves: crowded at the terminal end...
    11,586 Words | 56 Pages
  • Stomata Lab Report - 1114 Words
    The Differences in the Number of Stomata amongst Three Different Life Stages of Leaves Introduction Stomata control a tradeoff for the plant: they allow carbon dioxide in, but they also let precious water escape. A plant that could get enough carbon dioxide with fewer stomata would have an advantage since it would be better able to conserve its water. Levels of carbon dioxide in Earth's atmosphere change over time — so at times when the atmosphere is carbon-dioxide-rich, plants can get away...
    1,114 Words | 3 Pages
  • Rapid Cycling Brassicas - 992 Words
    Rapid Cycling Brassica Investigations Jeffery Gray Abstract: Rapid-cycling brassicas has been used by researchers because of traits that make it convenient to study such as: short life cycle, rapid flowering time and seed maturation, small size, and ability to grow under 24 hour fluorescent light, etc... These traits make RCBr's valuable laboratory models for students to study inheritance and selection along with evolution. Trichome/hairs on plants are extremely variable in...
    992 Words | 3 Pages
  • idunu - 360 Words
    Title: Transpiration Aim: To study the significance of the pattern of stomatal distribution in Coleus and Lucky bamboo leaf Theory: Transpiration is the loss of water vapour from the surface of the plants due to evaporation. Transpiration can help the uptake of water in the xylem due to transpiration pull. During transpiration, mesophyll cells lose water continuously to the air space. This decreases the water potential of the mesophyll cells. Water is then drawn from their neighbouring...
    360 Words | 2 Pages
  • Acacia Mangium - Nutrition Study
    Determination of Desirable Leaf Nutrient Levels for Maximized Growth of Acacia mangium by Amitabha Guha Agricultural Research & Advisory Bureau [ARABIS] 1988 ABSTRACT Acacia mangium plants were grown in a pot culture medium of fine sand supplied with Complete and Minus Nutrient Solutions to study the nutrient status of the plants and their effect on growth under different nutrient treatments. The nutrient status of the plants...
    6,399 Words | 25 Pages
  • Biology Notes - Plant Science
    Topic 9 – Plant Science First lesson Without photosynthesis there would be no life. Important words: Plants have groups of stemcells that live throughout their lives = meristem. Tissue – Many cells of the same type working together. Organ – Two or more tissues working together with the same task. Organ system – Several organs working together with a common task. Angiospermophytes Angio – container Sperma – seed Phytes – plant = Plants producing seeds enclosed...
    885 Words | 5 Pages
  • Scientific Paper - 2142 Words
    Introduction: (Total: 10 pts) 1. Transpiration is critical for plant physiology. In your own words, what is transpiration, and why is this important in plants? (2 pts) Transpiration is the evaporation or loss of water through the pores (stomata) on the underside of leaves. Transpiration is vital to plants because it not only allows the plant to cool itself, but it also changes the osmotic pressure of cells allowing for nutrient transfer between cells, and between roots and stem. 2. Plants...
    2,142 Words | 6 Pages
  • shoot system of plants - 1741 Words
     The Shoot System of Plants The Leaf Leslie L. Ricarte Group 2 Sec. A - 2L December 12, 2013 __________________________________ ¹A scientific paper submitted in partial fulfillment of the requirements in General Biology II Laboratory under Prof. Ma. Teresa Mirandilla, 2nd Sem.2013-2014. ABSTRACT The purpose of this study is to observe and identify the external and anatomical parts of various types of leaves. The shoot system of the leaves was seen under the...
    1,741 Words | 9 Pages
  • Natural Resources Notes - 266 Words
    Natural Resources Notes Forestry ID info- Hardwood: deciduous trees- lose most of their leaves in the fall and are dormant during the winter. Softwood: coniferous tree- retain most of their leaves throughout the winter and are semi-dormant during the winter. Leaf Arrangement- Alternate: Staggered placement of leaves on a twig (including a whirl, which is a spiral arrangement) Opposite: Paired placement of leaves on a twig. Leaf Margin- Singly toothed: the leaf edge has...
    266 Words | 2 Pages
  • Anatomical Study of Sanseviera - 7960 Words
    ANATOMICAL STUDY OF Sansevieria zeylanica LEAVES AFFECTED BY VEHICULAR EMISSIONS by Antonio, Nathaniel D. Bacunot, Lowie S. Bayona, Gem L. Misola, Charisse M. Parangat, John Kelly R. A special problem submitted to Prof. Liezel Ann M. Magtoto Department of Biology College of Science University of the Philippines Baguio In partial fulfilment of the requirements of the course in Plant Anatomy September 14, 2012 ABSTRACT This study deals with the effect of air pollution on...
    7,960 Words | 26 Pages
  • Biology - Plants - Study Guide
    STUDY GUIDE INTEGRATED SCIENCE 10 PLANT UNIT DO YOU/CAN YOU…. 1. Understand that both plants and animals (eukaryotes) undergo a similar process for cellular division/reproduction? Both plant and animal cells undergo mitosis and meiosis. In plants, there is an alternation of generations; the gametophyte generation, where haploid gametes (pollen and ovule; sperm and egg) are produced via mitosis. Then the sporophyte generation combines these two into spores via meiosis, resulting in a...
    813 Words | 3 Pages
  • Ib Topic 9 - Plant Science
    Topic 9: Plant Science 9.1 Plant Structure and Growth 9.1.1 Draw and label plan diagrams to show the distribution of tissues in the stem and leaf of a dicotyledonous plant. Cross-section of a stem Part of plant | Purpose | Epidermis | Surface of the stem made of a number of layers often with a waxy cuticle to reduce water loss | Cortex Tissue | Forming a cylinder of tissue around the outer edge of the stem. Often contains cells with secondary thickening in the cell walls which...
    3,908 Words | 12 Pages
  • Explain how translocation of sucrose occurs in the phloem as proposed by the mass flow hypothesis.
    Translocation involves the transport of organic materials produced through photosynthesis, such as sucrose, from the leaves to other parts of the plants where they are utilized. It occurs in the phloem sieve tube between the source end(near the leaves); where sucrose is loaded due to the process of photosynthesis by the palisade and spongy mesophyll cells to the sink end(near the end where sucrose is unloaded for respiration and storage purposes). At the source end, companion cells actively...
    247 Words | 1 Page
  • School - 4112 Words
    Leaf Structure and Pigments The objectives of this lab exercise are that you: • • • • Learn about the roles of pigments in photosynthesis and other functions of plants. Understand the basic principles of paper chromatography. Learn about basic leaf structure and how it relates to environmental adaptation Use the results of the pigment exercise for the writing of a lab report to improve your writing skills and ability to convey information accurately and precisely. I. Introduction...
    4,112 Words | 23 Pages
  • Cogon Grass - 762 Words
    WANTED Dead not Alive: Cogongrass (Imperata cylindrica) has become a major problem for landowners, land managers, foresters, and governmental agencies since its introduction into Alabama. Known to many as japgrass, cogongrass was accidentally introduced into Alabama near Grand Bay about 1911 as seed in packing materials from Japan (4). Purposeful introductions soon followed in other areas of Alabama, Mississippi, and Florida, with the primary intent for forage production (1,4). Horticultural...
    762 Words | 2 Pages
  • Decomposition and Recycling in Aquatic Ecosystems
    Introduction Biogeochemical cycles are important to the sustainability of all life. Chemical elements necessary for the growth and reproduction of all organisms have a limited quantity on earth at any one time, other than the occasional meteor that brings with it new matter. It is therefore important that the recycling of these chemical elements is efficient. Autotrophs are the basis of almost all ecosystems. The rate that autotrophs produce and transfer energy is vital to the capacity of...
    1,106 Words | 4 Pages
  • Foliar and Root Anatomy of Evergreen Tree, Citrus Limon (Rutaceae)
    Foliar and Root Anatomy of Evergreen Tree, Citrus Limon (Rutaceae) Abstract: Foliar and root anatomy were obtained from a Citrus Limon to be studied upon and the main focus were the stem, petiole, leaf and root. Plant material was obtained from Manila Seeding Bank Foundation Inc. and was brought to Ateneo De Manila University. Sections were subjected to staining and dehydration, after which they were viewed under a light microscope and measured using a light microscope. The young stem has a...
    2,486 Words | 9 Pages
  • Pongamia Glebra - 1113 Words
    8/30/13 Welcome to PCRA.org FAQ | Associate with PCRA | Visit pcra.org | Tips | Downloads | Home About Us Who is doing what Biodiesel | Biogas | Biopetrol | Myths & Facts | Suppliers Pongamia pinnata is one of the few nitrogen fixing trees (NFTS) to produce seeds containing 30-40% Land availablity oil. It is often planted as an ornamental and shade tree but now-a-days it is considered as alternative Jatropha source for Bio- Diesel. This species is commonly called pongam, karanja,...
    1,113 Words | 4 Pages
  • rice pest and its control
    Rice pest and its control 1. Rice case worm/case bearer • Aquatic insects, pale translucent green larva with pale orange head • Found in irrigated and wetland areas with standing water • Larva lives in sections of leaves cut from young rice plant into tubes called cases • The adults are nocturnal and are attracted to light traps. The larva hides in its case then float on the water surface during the day and crawls to the rice plant with its case to feed. Damage • Begins in a...
    1,220 Words | 7 Pages
  • Descriptive Essay - 414 Words
    It’s a mild September afternoon and here I am with my hair pulled up, wearing a white tank top, black shorts and my favorite hiking shoes, enjoying nature at its best. I’m on a trail that I’ve never hiked before, however I have yet to be disappointed by the views. As I look towards the sun, the few clouds I see floating in the sky are being nudged along by a lazy breeze that is just strong enough to cause my bangs to lightly dance across my forehead. To my left I see a flock birds flying...
    414 Words | 2 Pages
  • Stomata Density Lab: Internal Assessment
    Internal Assessment Coversheet and Self-Assessment Session: Student Name: SL/HL Candidate Number: Investigation title: Investigating a factor that affects stomata density in leaves Syllabus topic(s): Teacher’s Instructions and help given: Candidate declaration: “I confirm that this work is my own work and is the final version. I have acknowledged each use of the words or ideas of another person, whether written, oral or visual.” Signed: Escalante Date:...
    1,633 Words | 10 Pages
  • Biology Research for Photosynthesis - 1632 Words
    Paras Gaba AP Biology, Block 1 3 February, 2013 Mrs. Killough Shape of Leaf Disks and Photosynthesis Research Question: Does the shape of the leaf disks affect the rate of photosynthesis if the surface area of the leaves are kept the same? Purpose: Through this experiment, I seek to answer whether the shape of leaf disk affects the rate of photosynthesis to find out which leaves are more efficient at utilizing free energy from the environment....
    1,632 Words | 6 Pages
  • Fact Sheet About White Bird-of-Paradise
    Fact Sheet ST-604 October 1994 Strelitzia nicolai White Bird-of-Paradise1 Edward F. Gilman and Dennis G. Watson2 INTRODUCTION White Bird-of-Paradise is most often planted for its large, banana-like leaves and upright, clumping stalks which give an exotic feel to the landscape (Fig. 1). Plants can reach 20 to 30 feet in height with a spread of 10 feet though they are often seen much smaller. The five to eight-foot-long, cold-tender leaves are arranged in a fanlike display from the erect...
    672 Words | 4 Pages
  • Optical Wireless Communication - 9780 Words
    ABSTRACT Title of Thesis: FREE-SPACE OPTICAL COMMUNICAITONS THROUGH A FOREST CANOPY Clinton Lee Edwards, Master of Science, 2004 Thesis Directed By: Professor Christopher C. Davis, Department of Electrical and Computer Engineering This paper models the effects of the leaves of mature broadleaf trees on air-to-ground free-space optical (FSO) communication systems operating through the leaf canopy. Ecological radiation transfer models are considered and the concept of Leaf Area...
    9,780 Words | 47 Pages
  • Photosynthesis lab - 625 Words
    Investigation 5: Photosynthesis Problem: If the leaf disks are treated in a way you know increases the net rate of photosynthesis, should they start to float faster or slower? Why? Hypothesis: If the leaf disks were bathed in a red light source, then the rate of photosynthesis would increase than leaf disks that are bathed in a regular light source because chlorophyll absorbs red pigment and reflects green pigments. Therefore, shining a red light source onto the leaf disks would cause...
    625 Words | 2 Pages
  • venus fly trap - 588 Words
    The Venus flytrap is a small plant whose structure can be described as a rosette of four to seven leaves, which arise from a short subterranean stem that is actually a bulb-like object. Each stem reaches a maximum size of about three to ten centimeters, depending on the time of year;[4] longer leaves with robust traps are usually formed after flowering. Flytraps that have more than 7 leaves are colonies formed by rosettes that have divided beneath the ground. Illustration from Curtis's...
    588 Words | 2 Pages
  • Lab Report on Photosynthesis - 1236 Words
    Lab Report: Understanding Photosynthesis Gen Biology Lab Abstract: This lab was called photosynthesis: understanding photosynthesis. It is a highly complex process that needs to be broken down in many steps to understand how it works. This lab covers the big components in photosynthesis including carbon dioxide intake, light consumption, and varying pigmentation. Introduction: Photosynthesis is a huge concept to learn and understand in the field of biology. Plants have their own...
    1,236 Words | 4 Pages
  • Biology Adaptation - 296 Words
    Adaptation Definition: Adaptation is the process of how organisms develop special structures and internal processes to enable them to live in their environment. Definition: Adaptation is the process of how organisms develop special structures and internal processes to enable them to live in their environment. Organisms can be adapted in two ways: 1. Body structure (e.g. Small ears to reduce heat loss) 2. Body processes (e.g. Osmoregulation in salmon) There are several factors...
    296 Words | 3 Pages
  • Beginner's Guide to Study of Plant Structures
    EXERCISE 1: A BEGINNER’S GUIDE TO THE STUDY OF PLANT STRUCTURE Adonay, Jessa and Velos, Mary Angelie Biology Program, Sciences Cluster University of the Philippines Cebu Lahug, Cebu City, Philippines ABSTRACT Plants have essential requirements to survive like all other living being. Roots, stems, leaves, and flower serve to help them acquire or provide for these requirements. Plants exposed to different climates pose different arrangement in the structures’ tissues. A closer look on...
    3,503 Words | 13 Pages
  • Botany of Dieffenbachia Seguine - 1648 Words
    Dieffenbachia Native to Central and South America and a relative of our skunk cabbage, Symplocarpus foetidus, Dieffenbachia is a broad-leaved foliage plant with thick succulent stems. A popular house plant because of its ease of culture, it is available in a variety of leaf patterns. [pic] Dieffenbachia’s common name, Dumbcane, comes from the fact that all plant parts contain raphides; crystalline, needle-like structures which are ejected when cell walls are damaged. Raphides are believed...
    1,648 Words | 5 Pages
  • The Perks of Contributing in a Local Site
    Katakataka [Kalanchoe pinnata (Lam.) Pers.] Botany Katakataka is an erect, more or less branched, smooth, succulent herb, 0.4 to 1.4 meters in height. Leaves are simple or pinnately compound, with the leaflets elliptic, usually about 10 centimeters long, thick, succulent, and scalloped margins. Plantlets grow along the notches of the leaf margins which can develop while still attached to the plant or when detached, a fascinating characteristic that earns its name. Flowers are cylindric, and...
    685 Words | 3 Pages
  • Biology - 682 Words
    Arrangement of Vascular Tissues in Flowering Plants • Xylem and phloem often are grouped together -> vascular bundle • Cambium -> lies in between xylem and phloem -> divide and differentiate -> form new xylem and phloem tissues -> thickening of stem Movement of Substances Into and Within Flowering Plants Entry of Water and Nutrients into Plants • Absorption of water -> root hairs -> grow into close contact with liquid around them • Thin film of liquid surrounding soil...
    682 Words | 3 Pages
  • Biology Plant Free Response
    1. Water diffuses into a plant through its root hairs and then travels into the parenchymal cells of the cortex along the symplast and the apoplast. Then the water moves to the endodermis where it freely passes into the vascular cylinder and into the xylem. Once the water is in the xylem it moves upward toward the leaves. Then the water diffuses from the roots where the water potential is the highest to the air spaces in the leaves where the water potential is the lowest. From the veins in the...
    587 Words | 2 Pages
  • Xerophytes - 358 Words
    Xerophytes A xerophyte is a plant which has adaptations which allows it to live in an environment with little available moisture (the opposite being a hydrophyte). There are some adaptations that are typical of xerophytes, usually to reduce the rate of transpiration: A thick waxy cuticle: By having this, the plant can limit the amount of water lost through evaporation. If there is little available; why lose what you have? Its shiny surface is also reflective with regards to light, keeping...
    358 Words | 2 Pages
  • THE EFFECT OF LIGHT INTENSITY DURING PLANT GROWTH ON THE SIZE OF STOMATA IN DICOT LEAVES
    THE EFFECT OF LIGHT INTENSITY DURING PLANT GROWTH ON THE SIZE OF STOMATA IN DICOT LEAVES Christina Durgan Nicole Romero Vanessa Chilunda Biology 101, Thursday 1:15pm Claire Burkum 5 December, 2013 1. The hypothesis of this study is that the size of the stomata on the dicot leaves exposed to higher light intensity will be smaller compared to the size of the stomata on the dicot leaves exposed to lower light intensity. This is because at higher light intensity there is an increase in...
    369 Words | 2 Pages
  • Lab Activity - 317 Words
    To prepare a temporary mount of aleaf peel to show stomata. B) Materials required:- Fresh leaves of plant, compound microscope, glass slides, cover slips, water, glycerine, safranine, blotting paper, needles, brush etc. C) Theory :- i) Stomata are minutepore present on the surface of the leaves. ii) Though they are found on both the upper and lower epidermis of the leaf, they are more in number on the lower epidermis. iii) Each stoma has two bean...
    317 Words | 2 Pages
  • Transport in Plants - 527 Words
    Transport in Plants Matthew H. 9A 131002 Today I will be discussing our experiment and the basics of transport of minerals and water in plants. Transport in plants are called transpiration. Water evaporates from the leaves which cause a type of suction that draws water from the roots. The water travels up via the vascular bundles. This flow of water is called transpiration stream. Some pressure is created forcing some water out of the cells in into the spaces between the...
    527 Words | 2 Pages
  • Transpiration: Lab Investigation - 907 Words
    TRANSPIRATION: Investigation 11 Learning Objectives: To investigate the relationship among leaf surface area, number of stomata, and the rate of transpiration To design and conduct an experiment to explore other factors, including different environmental variables, on the rate of transpiration To investigate the relationship between the structure of vascular tissues (xylem and phloem) and their functions in transporting water and nutrients in plants Before doing this laboratory you should...
    907 Words | 6 Pages
  • To Study the Transpiration Rate of a Plant (Gou Qi) by Using the Bubble Photometer.
    Biology 1st Group Lab Report Objective: - To study the transpiration rate of a plant (Gou Qi) by using the bubble photometer. Assumption: - The rate of transpiration is equal to the rate of water uptake of the plant(Gou Qi) . Theory: |Independent Variable |Dependent Variable |Controlled Variable | |The environmental conditions: | Rate of water uptake by transpiration of the...
    1,073 Words | 5 Pages
  • A BEGINNER’S GUIDE TO THE STUDY OF PLANT STRUCTURE_plant physiology full paper
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  • Transpiration - 1353 Words
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  • Stomata and Transpiration - 810 Words
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  • Biolage - 287 Words
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  • Fungal Disease in Malaysia - 985 Words
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  • The Enchanted Forest Beckoned Me Into Its Pulsing Heart
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  • Flowering Dogwood - 323 Words
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  • 'the Great Chestnut Tree' Creative Writing Piece
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  • The Enchanted Forest - 1899 Words
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  • What I Did Last School Holiday
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  • Plant Tissues Biology - 832 Words
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  • Plant Adaptation - 392 Words
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  • Bio Experiment Light Intensity
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  • Photosynthesis and Transpiration Increases - 899 Words
    Water loss, i.e. transpiration, in xerophytic (desert) and non-xerophytic (non-desert) plants is dependent on different environmental conditions. Xerophytes or xerophytic plants are plants which have adapted to conditions of unfavourable water balance, conditions where the rate of water loss is potentially greater than the availability of water, as in the case of desert plants. These types of plants have developed a wide range of features known as xeromorphic features which reduce...
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  • Food Writing Example - 424 Words
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  • Transpiration: Xylem and Plant - 1208 Words
    Transpiration Abstract This lab demonstrates how different environments effect the rate of transpiration in plants. A potometer is set up and placed in four different environments: one simply at room temperature (the control), one with a fan pointing toward it creating a gentle breeze, on with a floodlight on it and a beaker felled with water as a heat sink, and one where the leaves are misted then covered with a transparent plastic bag. It is imperative that the tubing doesn't have any...
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