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WAEC Biology 2019 Question 29

Question 29

Habitats and Biomes

The salinity of a brackish habitat

  1. A.increases immediately after rainfall.
  2. B.increases at the end of the rainy season.
  3. C.decreases with an increase in the number of organisms.
  4. D.increases during the dry season.
Show the answer and explanation

Answer: D (increases during the dry season.)

Explanation

In the dry season less fresh river water flows in and more water evaporates, so the water becomes saltier. Rain makes it less salty.