Solution - D
Though the tail is a cost in daily life, because female peacocks find the tail attractive, this increases the chances of mails with ornate tails to mate and thus carry on the trait.
GMAT Verbal Question
The peacock’s tail almost certainly reduces the male’s survival: the tail reduces maneuverability, powers of flight, and makes the bird more conspicuous; its growth must also impose an energetic cost.
Which of the following best explains why these costly characters are not eliminated by selection?
Answers
- A) The peacock's tail allow predators to see it more easily.
- B) Because of the size of the tail, male peacocks must eat more food to create enough energy to support the tail.
- C) The feathers in the tail are a fashion accessory in many parts of the world.
- D) The peacock's tail cost is more than compensated by their increased advantage in reproduction.
- E) Increased tail height makes it harder for the peacock to fly.
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