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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

#Unit 11. Evolution and Behavior
  1. a pheromone.

  2. a sign stimulus.

  3. a fixed action pattern.

  4. a search image.


Answer:- Option(s): 3


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#Unit 8. Inheritance Biology

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#Question id: 5264

#Unit 8. Inheritance Biology

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#Unit 8. Inheritance Biology

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#Question id: 5266

#Unit 8. Inheritance Biology

In conjugation the donor cell is recognized by the presence of

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