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Food Web

A diagram showing all of the connected food chains in an ecosystem


An organism that breaks down dead organisms

Energy Pyramid

A diagram that shows how energy decreases as it travels through a food chain

Food Chain

A diagram showing how energy passes from one organism to the next in an ecosystem


An organism that eats both plants and animals


An organism that eats only other animals


An organism that eats only other plants


The organism that hunts others for food.


Chemicals that living things can use to live and grow.


Organism that makes the food for an ecosystem. (aka autotroph)


Organism that is eating others in a food chain. (aka heterotroph)


Any organism able to make its own food (aka Producer)


An organism that has to eat its food (aka consumer)


Used for organisms to do everything it needs to do to live


A type of sugar used by plants to store energy from the sun.

Tertiary Consumer

Third level consumer. Often top of the food chain

Primary Consumer

The 1st level consumer. Eats producers

Secondary Consumer

Eats 1st level consumers. Often is a predator and a prey

Quaternary Consumer

4th level consumers. Food chains don't always go this far


An animal that eats other dead animals.

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