JAMB Biology 2009 Question 32

Question 32

Habitats and Biomes

In freshwater marshes and swamps, the most important abiotic factor that organisms have to adapt to is

  1. A.nature of substratum
  2. B.high salinity
  3. C.high temperature
  4. D.low pH.
Show the answer and explanation

Answer: A (nature of substratum)

Explanation

The ground of a marsh is soft, waterlogged mud with little oxygen. Plants need special roots and animals special habits to live on and in it.