Difference | Eukaryotic | Prokaryotic | Shape/Size | Larger | Smaller | Complexity | Membrane bounded organelles | No membrane bound organelles | Nucleus | Bounded membrane with DNA | DNA in a region (nucleoid) | Kingdom | Plants‚ animals‚ fungi‚ protists | Bacteria and archaea | Reproduction | Sexual reproduction – mitosis | Asexual reproduction – binary fission | * Similarity: plasma membrane‚ cytosol‚ chromosomes‚ ribosomes | Surface Area to Volume Ratio * Metabolic requirements
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Camren Allen Concept Check 1.1: 1.) A biosphere has an ecosystem that consists of all living things in an area. An ecosystem consists of communities which hold organisms that live in a specific area. A community consists of populations of all the individual organisms in a specific area. A population consists of living things called organisms. Organisms break down into organs and organ systems which are more complex parts of organisms. Organs and Organ Systems are created by tissues which is
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Introduction to sexual reproduction in humans Reproduction is the process by which humans gives rise to new individuals. Sexual reproduction is the process that involves the fusion of two gametes‚ sperm (male gamete) and egg (female gamete). In human these gametes are produced in different sexes‚ the male and female. Reproduction in humans is performed by reproductive systems‚ the male and female reproductive systems. The main organs of male reproductive system are testis and gonads and of female
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If a scientist studying a disease found all of these things to be true‚ one could conclude that the pathogen that was isolated did in fact cause the disease. There are five types of pathogens that cause a variety of diseases: bacteria‚ viruses‚ fungi‚ protozoa‚ and parasites. Each of these pathogens harm the body by destroying cells‚ taking cells’ nutrients‚ or poisoning cells. In order for a pathogen to cause an infection‚ it must somehow get inside the body. Generally‚ a pathogen can enter
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level generated 2.75 bya only 10% more of current Major O2 increase came later with plant colonization of land (chapter 25) Fungal and animals arose from protest ancestors Animals arose form a choanoflagellate-like protest Animals and fungi evolved from protest ancestors Unikonta Supergroup Unikonta= flagellated protists or ancestors were of this type Evidence that animals arose from choanaflagellate ancestor DNA sequence is most similar of protist animals Some animals have choanoglagellate-like
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food‚ who would expect it to be made in such a fascinating and clever way? A simple loaf contains just four main ingredients; flour (the main ingredient)‚ warm water (the yeast prefer the water warm)‚ salt and of course the yeast‚ tiny microscopic fungi that help the bread rise. Although fascinating the process is surprisingly simple; first‚ the flour‚ sugar and water is mixed together with yeast to make the bread dough‚ next the yeast ferments (a chemical change that results in the production of
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has made huge strides in fighting germs‚ but Earth’s tiniest creatures remain our biggest foes. Germs are often called pathogens‚ which means "the causes of disease‚" in Greek. The four main types of pathogens are bacteria‚ viruses‚ parasites‚ and fungi. A bacterium is a simple one-celled organism. They are like us because their goal is to survive and prosper. Bacteria are three and a half billion years old. They are the most numerous living thing‚ and among the smallest. Bacteria can reproduce very
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* A food chain shows how each living thing gets food‚ and how nutrients and energy are passed from creature to creature. Food chains begin with a plant-life‚ and ends with an animal-life Parts of the Food Chain * Producers These include all green plants. Plants are called producers. This is because they produce their own food! They do this by using light energy from the Sun‚ carbon dioxide from the air and water from the soil to produce food - in the form of glucose/sugar. These are also
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Name Microbiology 2210 Answer Key Practice Test 1 Directions: Choose the most correct response to answer the statement. ___1. Archaea a. belong to the kingdom Protista b. have petidoglycan in their cell walls c. belong to the domain Bacteria
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into farmland. It didn’t work. When a rainforest is burned or cut down‚ the soil can only be used for a very short time before it runs out of nutrients. Afterward‚ biodiversity suffers. Decomposers like leaf-cutter ants‚ termites‚ bacteria‚ and fungi live on the forest floor. These decomposers
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