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ZoologyNEET 2019Natural selection, Hardy–Weinberg, adaptive radiation

Evolution

In a species, the weight of newborns ranges from 2 to 5 kg. 97% of newborns with an average weight between 3 and 3.3 kg survive, whereas 99% of infants born with a weight from 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place?

  1. A.Directional selection
  2. B.Stabilising selection✓
  3. C.Disruptive selection
  4. D.Cyclical selection

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