A) Darwinian variations are small and directionless
B) fitness is the end result of the ability to adapt and gets selected by nature
C) all mammals except whales and camels have seven cervical vertebrae
D) mutations are random and directional
Correct Answer: B
Solution :
Fitness (survival of the fittest) is a result of selection and proliferation of only those organisms which were most suitably adapted to the environment and get selected by nature.
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