Review for ecology and cycles quiz
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Autotrophs (producers) | plants, they use carbon dioxide and sunlight to produce energy through photosynthesis
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| Competition | 2 organisms try to obtain the same resource in the same area
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| DNA | Deoxyribonucleic acid, double stranded, stays in nucleus, Adenine binds with thiamin and guanine binds with Cytosine A to T and G to C, determines the order of the amino acid sequence of a protein.
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| deforestation | cutting down forest, results in carbon dioxide being released into the atmosphere resulting in global warming or global climate change
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| acid rain | rain with a low pH formed when sulfur from factories is released into the atmosphere. Destroys plants and animals living in lakes, results from power plants releasing acidic chemicals into the air.
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| DNA codes for proteins | by arranging certain nitrogen bases in a particular order
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| global warming | caused by increasing carbon dioxide levels in the atmosphere usually from burring fossil fuels
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| nucleic acids | subunits of DNA that code for proteins
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| Photosynthesis | plants combining water and carbon dioxide in the chloroplast with sunlight to make glucose and oxygen.
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| cellular respiration | animals and plants combine oxygen and glucose in the mitochondria to form ATP, carbon dioxide and water
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| biomass | the total amount of plants and animals at each level of the food chain. makes a pyramid shape. Most at bottom in plants, least at top in tertiary consumers
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| nitrogen fixation | bacteria take compound and turn them into a form of nitrogen which is usable by plants and animal
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| mitochondria | cell organelle responsible for cellular respiration (making ATP)
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| decomposer | food web organisms that break down dead and decaying material and return their nutrients back to the soil.
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| energy pyramid | a pyramid shaped diagram that show how energy level decrease as organism move through a food web. Only 10 percent of the energy is transferred to each level.
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| heterotrophs (consumers) | organism in a ecosystem that must eat to obtain energy. everything but plants
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| carnivore | eat only meat
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| omnivore | eat plants and animals
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| herbivore | eats only plants
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| Mutualism | both organisms living together benefic. ex lichens
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| migration | animals moving a long ways away from an area for a season to find food or reproduce
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| carrying capacity | maximum number of animals that an area can support. Make a s shaped graph
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| exponetial growth | when a population grows very rapidly exceeding it carrying capacity and will eventually run out of resources and have massive deaths.
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| food web | graphic representation of how energy is moved through an ecosystem from producers to consumers converting radiant energy into chemical energy.
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| bioaccumulation | when small amounts of toxins are eaten by animals lower on the food chain and their affects are magnified as they move up the food chain. Example mercury in fish.
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| Carbon cycle | How carbon is naturally cycled through the atmospher. burning fossil fuels and deforestation increases carbon dioxide in the atmosphere leading to global warming. Plants remove carbon by photosynthesis.
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Created by:
TeresaGentry
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