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BIOLOGY

JAMB 2006 - Question 24

Biology 2006 JAMB Past Questions - Question 24: the changes in the lenght of the necks of the giraffes shown was brought about by

Choose the most appropriate option for the gap .

the changes in the lenght of the necks of the giraffes shown was brought about by

A: geographical isolation

B: predation

C: symbiosis

D: natural seletion

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Correct Answer

Explanation

D The theory of natural selection states thatvariations occur among organisms. Some variations are favourable and aretransmitted from one generation to another.Favorable variations naturally selected accumulate enough togive rise to new species from ancestral ones. Geographical isolation.