Living Systems Investigation 1 Vocabualry

Front

interact

Back

To act upon another

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subsystem

Back

A small system that is inside a larger system

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system

Back

A collection of interacting parts

Front

algae

Back

A large plantlike group of water organisms that make their own food

Front

bacteria

Back

Microorganisms that act as decomposers

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carnivore

Back

An animal that eats other animals

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consumer

Back

An organism that cannot make its own food. Consumers eat other organisms.

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decomposer

Back

An organism that breaks down plant and animal material into simple chemicals

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ecosystem

Back

A community of organisms interacting with each other and with the nonliving environment

Front

energy

Back

What cells need to do work