Question 32
Habitats and BiomesIn freshwater marshes and swamps, the most important abiotic factor that organisms have to adapt to is
- A.nature of substratum
- B.high salinity
- C.high temperature
- 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.