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Ecosystems
N/A
13
Science
7th Grade
12/02/2010

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Term
Niche
Definition
The combination of where an organism lives, how it obtains its food, and how it interacts with other organisms
Term
Photosynthesis
Definition
The process when plants use water, sun, and carbon dioxide from the air to make their own food
Term
Producers
Definition
Organisms that make their own food from non-living materials
Term
Consumers
Definition
Animals that eat other organisms
Term
Herbivore
Definition
A consumer that eats only plants
Term
Carnivore
Definition
A consumer that eats only other animals
Term
Omnivore
Definition
A consumer that eats both plants and animals
Term
Detrivore
Definition
Organisms that eat dead and decaying animals and plants
Term
Decomposer
Definition
Organisms that break up the final remains of a living thing
Term
Food Chain
Definition
A model that shows how energy is passed on from one organism to another in a feeding pathway
Term
Food Web
Definition
A model that shows several different food chains and the connections between them
Term
Ecological Pyramid
Definition
A model that shows energy loss in a food chain
Term
Cycle
Definition
something that happens over and over again
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