Question

ga) Mention any one of the uses of the
insulating
layer under the penguins wings ,​

Answer 1

Underneath this thick coat of feathers, there is an insulating layer of blubber. This helps to keep the body warm and store food and water. They also have a thick coat of fat to protect them from the cold. Female penguins lay one or two eggs, which are brooded by both parents.

Hope it helps uh..