The body weight of offspring of bird species is range between 12 gm to 18 gm. In a laboratory experiment, species was subjected to selection pressure having influence on the offspring body weight. After many generations of experimental selection pressure, the body weight range between 14 gm to 16 gm. Which of the following natural selection operate on this species?

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#Question id: 4639

#Section 2: Evolution

If the HMS Beagle had completely bypassed the Galapagos Islands, Darwin would have had a much poorer understanding of the

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#Question id: 8850

#Section 2: Evolution

Whatever its ultimate cause(s), the Cambrian explosion is a prime example of

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#Question id: 4579

#Section 2: Evolution

About which of these did Darwin have a poor understanding?

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#Question id: 3315

#Section 2: Evolution

Which one of the following statements is TRUE for Negative-frequency dependent selection?

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#Question id: 10895

#Section 1: Ecology

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