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Select the correct statement from the following:

  1. A
    Darwin variations are small and directionless
  2. B
    fitness is the end result of the ability to adapt and gets selected by nature
  3. C
    all mammals except whales have seven cervical vertebrae
  4. D
    Mutations are random and directional

Solution & Step-by-step Explanation

According to Darwin, fitness (biological fitness) refers to the reproductive success of an organism. It is the result of adaptation to the environment. Nature selects individuals with better fitness. Note: Darwinian variations are small and directional, whereas mutations (De Vries) are random and directionless.

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Select the correct statement from the following:
A
Darwin 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 have seven cervical vertebrae
D
Mutations are random and directional

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