Compare the swimming styles and associated morphological ada

Compare the swimming styles and associated morphological adaptations of a dolphin/whale, sea lion, and harbor seal.

Solution

Sea Lion

Dolphin have two flippers, on the underside toward the head.

Do not have fully developed hind limb.

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They are called eared seal and have external ear flap.

They can rotate their hind flippers under them and walk.

Make a barking sound.

They use their long fore flippers to propel them through the water.

Fast Swimmer.

Social Animal.

Bigger in size.

Seals are considerd as earless(dont have external flip but a hole which close when they dive) so called true seal.

They moves by undulating their body.

Make a grunting sound.

They use their large rear flippers for propultion through the water.

Slow wsimmer.

Solitary animal.

Smaller in size.

Dolphin is fast swimmer as compare to seals but not fast as whale.

they are unable to turn their head while swimming at high speed, increases stability and decrease flaxibility.

dolphin swim by moving their tail fin and rear body vertically, while their flippers are mainly used for steering.

Use their back flippers for power, use their front flippers to steer while swimm.

Can dive much dipper.

Use their front flippers to steer, Use their back flippers for power while swimming.

Not swimm in dipper.