Question

give reason why aquatic animals have streamlined body ?​

Answer 1

Answer:

Explanation:

Streamlined bodies help reduce water resistance  and friction between the water,allowing it to swim faster to escape from its predator or to catch its prey

Answer 2

Answer:

To overcome hydro-dynamic drag

Explanation:

The aquatic animals in water experience a strong hydro-dynamic drag due to water because its molecules cannot displace easily from their place. So, their body is streamlined which decreases the force needed to overcome the hydro-dynamic drag as it smoothly displaces water molecules instead of displacing all at once.