Industrial effluents and domestic sewage seriously affect fresh water bodies. For protecting aquatic life Govt. of India recently declared an animal as National aquatic animal .
a. Identify the animal.
b. Distinguish biomagnification from eutrophication.

Industrial effluents and domestic sewage seriously affect fresh water bodies. For protecting aquatic life Govt. of India recently declared an animals as National aquatic animal. a. Identify the animals. ii. Distinguish biomagification from eutrophication.

Identify the correct statements from the below. 1) Fresh water vertebrates maintain higher salt concentrations in their body fluids. (II) Marine vertebrates maintain lower salt concentrations in their (III) Terrestrial animals have more water in their body than the surrounding. (IV) Osmoconformers are not able to change their internal osmotic concentration.