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(D) The correct answer is $D$. The development of $DDT$ resistance in mosquitoes is a classic example of natural selection in action,which is a fundam

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Increasing incidents of $DDT$ resistance in mosquitoes

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(D) The correct answer is $D$. The development of $DDT$ resistance in mosquitoes is a classic example of natural selection in action,which is a fundamental mechanism of evolution. When $DDT$ is sprayed,mosquitoes with a genetic mutation that confers resistance survive and reproduce,passing the resistance gene to their offspring. Over generations,the population shifts towards being resistant,demonstrating evolutionary change in response to an environmental pressure.

Which of the following can be used as an illustration to demonstrate the process of evolution in animals?

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$A$: $A$ single large mutation called saltation can produce new species.
$R$: Mutations are directional.

The theory of sudden genetic change that applies to species is known as:

In forming the theory of evolution by natural selection,Darwin was greatly influenced by

The phenomenon of industrial melanism demonstrates:

Mutation theory explaining organic evolution was proposed by Hugo de Vries. He worked on

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