A polar bear has thick white fur. How does this help it survive?
AThe fur makes it look pretty
BThe thick fur keeps it warm in the freezing cold
CThe fur helps it swim faster
DThe fur helps it see in the dark
Polar bears live in the Arctic where it is extremely cold. Their thick fur acts like a warm coat, trapping heat close to their body. The white color also helps them blend in with the snow, but staying warm is the main job of all that thick fur.
Question 2 True / False
Fish scales and bird feathers do the same job.
TTrue
FFalse
Answer: False
Fish scales and bird feathers are both body coverings, but they do different jobs. Fish scales protect the fish's body and help it slide smoothly through water. Bird feathers keep birds warm, help them fly, and keep water off their skin. Different coverings for different needs.
Question 3 Short Answer
What body covering do all birds have that no other animal group has?
Think about your answer, then reveal below.
Model answer: Feathers. Only birds have feathers.
Feathers are unique to birds. No mammals, reptiles, fish, or insects have feathers. Feathers help birds fly, stay warm, and stay dry. Even birds that cannot fly, like penguins, still have feathers.