Give the scientific name of the following :

(a) Mosquito fish; (b) Flying fish.

Identify the following fishes:

(a) Fish with 5 to 7 pairs of gills; (b) Fish with air bladder.

Give one example of (a) cartilaginous fish; (b) bony fish.

Why amphibians are present close to the water bodies?

What do you understand by the term tetrapoda? Name two classes belonging to tetrapoda.