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Question
Assertion :Adaptive ability is inherited. Reason: Fitness is the end result of the ability to adapt and get selected by the nature.
Assertion :Adaptive ability is inherited. Reason: Fitness is the end result of the ability to adapt and get selected by the nature.
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Solution
The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
The essence of Darwinian theory about evolution is natural selection. Nature selects for fitness, which is based on inheritance. Hence, there must be genetic basis of getting selected and evolve. Evolution by natural selection, in a true sense would have started when cellular forms of life with differences in metabolic capability originated on earth. The essence of Darwinian theory about evolution is natural selection. The rate of appearance of new forms is linked to the life cycle or the life span. Microbes that divide fast have the ability to multiply and become millions of individuals within hours. For the same thing to happen in a fish or fowl would take million of years as life spans of these animals are in years. Nature selects for fitness. One must remember that the so-called fitness is based on characteristics which are inherited. Hence, there must be a genetic basis for getting selected and to evolve. Adaptive ability is inherited. It has a genetic basis. Fitness is the end result of the ability to adapt and get selected by nature.
The essence of Darwinian theory about evolution is natural selection. Nature selects for fitness, which is based on inheritance. Hence, there must be genetic basis of getting selected and evolve. Evolution by natural selection, in a true sense would have started when cellular forms of life with differences in metabolic capability originated on earth. The essence of Darwinian theory about evolution is natural selection. The rate of appearance of new forms is linked to the life cycle or the life span. Microbes that divide fast have the ability to multiply and become millions of individuals within hours. For the same thing to happen in a fish or fowl would take million of years as life spans of these animals are in years. Nature selects for fitness. One must remember that the so-called fitness is based on characteristics which are inherited. Hence, there must be a genetic basis for getting selected and to evolve. Adaptive ability is inherited. It has a genetic basis. Fitness is the end result of the ability to adapt and get selected by nature.
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