Earthworms are:

Ureotelic when plenty of water is available

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Uricotelic when plenty of water is available

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Uricotelic under conditions of water scarcity

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Ammonotelic when plenty of water is available.

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Solution

The correct option is D Ammonotelic when plenty of water is available.
Class Oligochaeta includes terrestrial earthworms and some other species that live in fresh water. Aquatic oligochaetes excrete ammonia while terrestrial oligochaetes excrete urea but Lumbricus produces both ammonia and urea.

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When some amount of salt is dissolved in plenty of water, which statement is most likely to be correct about the resulting solution?

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