Question

In an aquatic habitat, fish have streamlined bodies and respire underwater through their gills. However, mammals such as dolphins and whales also live in such habitats, but they do not have gills. How can they survive in aquatic habitats alongside fish?

Answer 1

Answer:

they comes up in air to breath the air

Answer 2

Answer:

they  jump up and breathe and  again it will jump up and breathe

Explanation:

thanks