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1. Adaptations are the result of biotic selection pressures only. O True False

2.
Adaptations are the result of the process of natural selection over many generations. True False
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Answer #1

Q.1. Answer- False

Explanation- Adaptations are the result of biotic and abiotic selection pressures as both are responsible for adaptation of organism in particular conditions of biological and nonbiological stress. Biotic selection pressures like availability of food, prey and predator abundance and competition between organisms are main factors for adaptation. Abiotic selection pressures like temperature, humidity, weather, water etc are responsible for adaptation.

Q.2. Answer- True

Explanation- adaptation is result of many combinations of successive changes that are small and random changes. These changes are best suited for that particular selection pressures to live that organism in its environment. Over the many generations these advantageous adaptations are dominant in population and these evolution changes entire species over many generations.

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