Read the following statements.
Statement I: Many ecological adaptations have evolved over a long evolutionary time and are genetically fixed.
Statement II: Some organisms coping with extreme environments are able to respond through certain physiological and behavioural adjustments.
In the light of above statements, choose the correct answer from the options given below.

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Both statements I and II are incorrect

Both statements I and II are correct

Statement I is correct and statement II is incorrect

Statement I is incorrect and statement II is correct

answer is B.

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Detailed Solution

Many adaptations have evolved over a long evolutionary time and are genetically fixed. While considering the various alternatives available to organisms for coping with extremes in their environment, we have seen that some are able to respond through certain physiological adjustments while others do so behaviourally (migrating temporarily to a less stressful habitat).

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