What do birds use to fly?
Wings
Why do fish have gills instead of lungs?
Because gills help them breathe underwater.
What covers a reptiles body?
Scales
What do all mammals have in common?
They have fur or hair and feed their babies milk.
You see an animal hopping with strong legs and smooth, wet skin. What kind of animal is it?
Frog
Why do birds have feathers?
To help them fly and keep warm.
Why can’t fish live on land like a cat or a dog?
Fish breathe with gills and need water to live; cats and dogs have lungs and breathe air.
What does a turtle’s shell do?
It protects the turtle from danger.
Why do mammals have fur?
For insulation, protection, and sometimes for sensory functions.
Why do frogs have strong back legs?
To help them jump and swim.
How are birds and bats the same? How are they different?
Both can fly. Birds have feathers and lay eggs; bats have fur and feed babies milk (so bats are mammals).
How are fish and whales different?
Fish lay eggs and breathe with gills; whales have lungs, breathe air, and feed babies milk (so whales are mammals).
Compare the skin of reptiles and amphibians.
Reptiles have dry, scaly skin; amphibians have smooth, moist skin that assists in respiration.
How does a polar bear stay warm in the snow?
It has thick fur and fat (blubber) to keep heat in.
Why might amphibians be more sensitive to pollution than reptiles?
Amphibians absorb water and gases through their skin, making them more vulnerable to environmental toxins.