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Select the correct statement from the following:

1. Fitness is the end result of the ability to adapt and get selected by nature
2. All mammals except whales and camels have seven cervical vertebrae
3. Mutations are random and directional
4. Darwinian variations are small and directionless

Correct answer: Fitness is the end result of the ability to adapt and get selected by nature

Solution

Fitness in evolutionary biology means the ability to survive and reproduce in a given environment, so it reflects the outcome of adaptation and natural selection. The other options contain factual errors or incorrect descriptions of variation and mutation.

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