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#Question id: 3431


In the territorial behavior of the stickleback fish, the red belly of one male elicits attack from another male by functioning as

#Section 2: Evolution
  1. a pheromone.

  2. a sign stimulus.

  3. a fixed action pattern.

  4. a search image.


Answer:- Option(s): 3


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#Section 2: Evolution

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#Section 2: Evolution

Which of the following pairs of structures is least likely to represent homology?

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#Question id: 3436

#Section 2: Evolution

Loss of responsiveness to stimuli that convey little or no new information is called

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#Question id: 12353

#Section 1: Ecology

The number of individuals per unit area determines the population's

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#Question id: 3514

#Section 2: Evolution

Which of the following are not conclude of that monohybrid cross?

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