a) Compare, giving reasons, the J - shaped and S-shaped models of population
growth of a species.
b) Explain "fitness of a species” as mentioned by Darwin.
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A
S - shaped pattern of population growth form shows an initial gradual increase, followed by an exponential increase and then a gradual decline to a near constant level.
J - shaped curve because J - shaped pattern shows exponential population growth and its abrut crash after attaning the peak value.
b) As mentioned by Drawin "fitness of a species" was explained in the theory of evolution by natural selection. This theory stated that the organisms having a stable representative capacity and the ones that can produce healthy offspring are more fit and thus have more chances of survival.
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