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Question : What is Darwinian fitness ? |
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Answer» Solution :• Populations evolve to maximise their reproductive fitness in the habitat in which they live. • Under a particular set of SELECTION pressures, ORGANISMS evolve TOWARDS the most EFFICIENT reproductive strategy. • Some organisms breed only once in their life time(pacific salmon fish, bamboo). • Some reproduces many times during their life time(most birds and mammals) • Some organisms produce a large number of small sized offspring (oyster, pelagic fishes) • Some organisms produce small number of large sized offspring (birds, mammals) • Life history traits of organisms have evolved in relation to the constraints IMPOSED by the biotic and abiotic components of the habitat in which they live. |
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