Question 42
Habitats and BiomesWhich of the following has the greatest influence on the distribution of animals in marine and fresh water habitats?
- A.pH
- B.Salinity
- C.Water current
- D.Turbidity
Show the answer and explanation
Answer: B (Salinity)
Explanation
The main difference between sea water and fresh water is salt content, and most animals can only live within a narrow salinity range.