Question

3. What changes occurs in amoeba to survive in adverse conditions?
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Answer 1

Explanation:

During adverse environmental periods, many amoebas survive by encystment: the amoeba becomes circular, loses most of its water, and secretes a cyst membrane that serves as a protective covering. When the environment is again suitable, the envelope ruptures, and the amoeba emerges.

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Answer 2

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During adverse environmental periods, many amoebas survive by encystment: the amoeba becomes circular, loses most of its water, and secretes a cyst membrane that serves as a protective covering. When the environment is again suitable, the envelope ruptures, and the amoeba emerges.