I WONDER - Do All Mammals Have Hair?

Mammals have hair or fur, which serves various purposes such as keeping warm and blending into their environment. Even marine mammals like dolphins have whiskers at birth. Some mammals, like polar bears, have specialized fur to adapt to cold climates, helping them survive in snowy environments.

What is one primary function of fur in mammals?

• To make them faster

• To keep them warm

• To help them swim

• To help them fly

How do some mammals use their fur in their environment?

• To find food

• To scare predators

• To blend into their surroundings

• To attract mates

What unique feature are dolphins born with?

• Fins

• Scales

• Whiskers

• Gills

What happens to the whiskers dolphins are born with?

• They grow longer

• They fall off as they grow

• They become fins

• They change color

How do polar bears use their fur to survive in cold environments?

• They have two layers to trap heat

• They use it to swim faster

• They shed it in summer

• They change its color