Purpose: The purpose of this lab was to gain a complete understanding around the rate of cellular respiration within multicellular organisms‚ also to research and understand how to use a CO2. Background: Living systems require free energy and matter to maintain order‚ to reproduce‚ and grow. Energy deficiencies cause disruptions at the population and ecosystem levels as well. 1 mol of H2O produces 1 mol of CO2 through cellular respiration. Autotrophic organisms capture free energy from the environment
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011. The effect of sound on plants [Exp] 021. Plants in different environments (light intensity‚ color) [Exp] 031. The effect of nicotine‚ air‚ yeast on mold growth [Exp] 041. Factors affecting the strength of hair [Exp] 042. Factors affecting the growth of bacteria [Exp] 043. Factors affecting the growth of molds or yeast [Exp] 051. Experiment with Hydroponics (Use seedlings started from seed with three types of soil and different rates of fertilizer) [Exp] 071. The effectiveness of Antiseptics
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Exercise 1: Correct Use of the Scientific Method and an Experiment with Macromolecules I. Objectives In this lab‚ students will: a.) Learn how to utilize the Scientific Method to develop a testable hypothesis b.) Generate an effective experimental design from a hypothesis c.) Understand the chemical differences between different macromolecules and how these differences can be used to design tests for each molecule. d.) Identify macromolecules in solutions using chemical analyses. e.) Practice
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Michael Tarabula 11-3-2005 Jethro Tull’s Seed Drill Jethro was born in Basildon‚ Berkshire in 1674. He is widely known for his invention of the seed drill that improved agricultural ways greatly. The seed drill prevented farmhands from broadcasting the seed‚ which is just throwing the seed out in no form‚ and made it where the seeds were put in orderly rows. The seed drill allowed the farmers to make rows of seeds instead of broadcasting. This made it easier for farmers to weed
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has small spots on the undersides of its leaves. These are clusters of the Pterophyte sporangia‚ called sori. As in mosses‚ meiosis occurs in the sporangia‚ which then release spores‚ continuing the cycle. <br> <br>Mitosis in Bryophytes begins germination‚ or growth. It directly follows meiosis. As mitotic division continues‚ protonemata (1N) are formed. They grow until they are mature gametophytes. In Pterophytes‚ mitosis occurs directly after fertilization. The zygote divides and grows until it
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The texture and other physicochemical characteristics of the soil gets affected. • The mites and other insects can’t survive in oil contaminated land leading to major imbalance in the food chain. • Oil contamination has adverse effect on seed germination. Farmers loose its crops and are not able to grow agricultural crops for years after years. • Effect on economy of the farmers. Effect on Fresh water Eco-system and ecological habitat: • A large percentage of the oil spills gets spread over
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Researches on Scientific Aspects of Yāga and Soma Yāga 1. The basic components of Yāga are heat (fire) and sound (mantra)‚ They subutilise the matter into energy and generate the electromagnetic waves which transmits desied sonic signals at cosmic level. Performing the Fire rituals (Yajña) with samidhas and Havishyas offered in the presence of sunlight reduces CO2 and more oxygen is liberated and these occur in the ultra-violet and other wavelength regions posing no threat to the environment
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NAME: K Class: Form 2 URANUS CHEMISTRY PROJECT Air pollution Description of air pollution Smog hanging over cities is the most familiar and obvious form of air pollution. But there are different kinds of pollution—some visible‚ some invisible—that contribute to global warming. Generally any substance that people introduce into the atmosphere that has damaging effects on living things and the environment is considered as air pollution. Air pollutant Carbon dioxide dioxide
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Sources of air pollution refer to the various locations‚ activities or factors which are responsible for the releasing of pollutants in the atmosphere. These sources can be classified into two major categories which are: Anthropogenic sources (human activity) mostly related to burning different kinds of fuel • "Stationary Sources" as smoke stacks of power plants‚ manufacturing facilities‚ municipal waste incinerators. Power plant is also used to refer to the engine in ships‚ aircraft and other
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Five hundred million years ago‚ the invasion of land was under way. Why then? Astronomical numbers of photosynthetic cells had come and gone‚ and oxygen-producing types had changed the atmosphere. High above Earth‚ the sun’s energy had converted much of the oxygen into a dense ozone layer‚ a shield against lethal doses of ultraviolet radiation. Until then‚ life had not ventured above the surface of water and mud. Algae were evolving at the water’s edge‚ and one group – probably the charophytes
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