Why do single-celled organisms not need specific organs for taking in food, exchanging gases, or removing wastes?

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Biology · Life Processes

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Their entire surface is in contact with the environment.

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Answer 1

They have complex body structures.

Answer 2

Their entire surface is in contact with the environment.

Answer 3

They have a protective wall around them.

Answer 4

They do not perform these functions.

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