Vocabulary Flashcard Unit 9

Front

Ecosystem

Back

All of the living and nonliving things in an area and their interactions.

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Decomposer

Back

An organism that breaks down and obtains energy from dead organic matter.

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Nutrient

Back

A substance that provides nourishment essential for growth and the maintenance of life.

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Energy

Back

The ability to do work or cause change.

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Producer

Back

An organism capable of making its own food; also called an autotroph.

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Consumer

Back

An organism that obtains energy by feeding on other organisms.

Front

Abiotic Factor

Back

Nonliving components of an ecosystem, such as water, air, and minerals.

Front

Food Chain

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

Autotroph

Back

An organism that produces its own food from inorganic substances.

Front

Biotic Factor

Back

Living components of an ecosystem, such as plants, animals, and microorganisms.