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22 Cards in this Set
- Front
- Back
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energy
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moves through a community as producers and consumers interact.
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food chain
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how food energy moves from one organism to another
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food web
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overlapping food chains to better show the way energy moves through an ecosystem
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ecological pyramids
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bottom layer of pyramid represents ecosystem producers; top layer represent consumers.
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energy pyramids
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compares the energy available at each level of a food chain; bottom levels have more energy than top levels
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recycles
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matter that makes up living organisms, such as water, carbon, and nitrogen, _______ through the environment.
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water cycle
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the process of evaporation, condensation, and precipitation makes up.
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biosphere
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carbon, nitrogen, phosphorus, sulfur, and other elements needed by living organisms move through Earth's _______.
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producers
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Plants are ______; they capture and use energy from ther Sun and use it to produce carbohydrates.
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consumers
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Animals are ______; they obtain energy when they feed on producers or other animals.
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decomposers
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Mushrooms are ______; they obtain energy as they break down the remains of organisms.
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food chain
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The movement of energy through a community is a _____.
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food web
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combined food chains makes up a ______.
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matter
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The laws of conservation of energy and mass state that ____ is never lost or gained. It is recycled.
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nitrogen
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Organisms use _____ to make protein.
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heat
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At each level of a food chain, orgainsm lose energy as _____.
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sunlight
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Energy is renewed constantly by _____.
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carbohydates
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In the carbon cycle, plants remove carbon from the air and use it to make _____.
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ecological pyramids
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a model of energy transfer.
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energy pyramids
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a model of energy available in a food chain.
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chemosysthesis
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involves the production of food and oxygen by bacteria using chemical compounds.
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carbon
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all organisms contain carbon
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