No
Walruses don't have what you'd call fur. Similar to humans, they have scattered hairs covering their body.
A koala is covered with short hairs (fur).
ovol
Yes, they can!They use their hairs that cover their body to smell and feel things around them.
Walruses can float due to their very high body fat content.
Then you won't have any hairs there.
You can always wash hairs during any fever. It is good practice to keep yourself clean. Only thing is that you should wash the hairs with hot water. Wipe the hairs immediatlely and cover the body with blanket after wash.
BALLS
Hairs on nostril and ears act as filters to trap dust . On the skin and body it helps to keep the body warm.
No.
cilia
The caterpillar with long black hairs on its body is likely a woolly bear caterpillar.