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22 Cards in this Set

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