Which of the following are necessary for evolution by natural selection to take place?
(i) Offspring resemble their parents more than other individuals in the population.
(ii) Differences among individuals exist and lead to different numbers of successful offspring being produced.
(iii) Individuals adjust their development depending on the enviorment
(iv) Every individual possess enormous fertillity.
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The theory of natural selection was proposed by Charles Darwin. It states that Natural selection is the process where organisms with favourable traits are more likely to reproduce. In doing so, they pass on these traits to the next generation. Over time this process allows organisms to adapt to their environment.
Features which are necessary for evolution by natural selection to take place are
a) Differences among individuals exist and lead to different numbers of successful offspring being produced.
b) Every individual possesses enormous fertility.
So, the correct answer is '(ii) and (iv)'
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