A Living thing that gets energy by breaking down dead organisms and animal wastes into simpler substances.

A diagram that shows that energy is lost each level in a food chain.

The transfer of food energy between organism in an ecosystem.

A group of food chains that overlap.

Organism that is nonnative to an environment that disrupts the stable web of life.

An animal that feeds on dead plants and animal.

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Unit 4

Vocabulary

Term	Definition
Decomposer	A Living thing that gets energy by breaking down dead organisms and animal wastes into simpler substances.
Energy pyramid	A diagram that shows that energy is lost each level in a food chain.
Food Chain	The transfer of food energy between organism in an ecosystem.
Food Web	A group of food chains that overlap.
Invasive Species	Organism that is nonnative to an environment that disrupts the stable web of life.
Scavenger	An animal that feeds on dead plants and animal.