Q795
Many freshwater animals cannot live for long in sea water and vice versa mainly because of the
A.
Change in N levels
B.
Change in the levels of thermal tolerance
C.
Variations in light intensity
D.
Osmotic problems
AnswerE.
Spectral quality of solar radiation
Answer: Option D
Solution
Answer: Option D
Solution:
In freshwater a fish is hypertonic to its environment, it means fish is saltier and water continuously moves into the fishes body via Osmosis. Hence Many freshwater animals cannot live for long in sea water and vice versa mainly because of Osmotic problems. So the correct answer is 'Osmotic problems'.