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Do earthworms need oxygen?

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No, they can survive without oxygen.

Yes, they need oxygen to survive.

They need carbon dioxide to survive.

They need carbon dioxide and oxygen to survive.

answer is B.

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Detailed Solution

Oxygen is necessary for earthworm survival. In order to turn glucose (food) into energy during the respiration process, oxygen is required. The ability to breathe oxygen is essential for earthworm survival.

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