Fish have __________ to protect their bodies.
Scales
When fishes swim, they use their __________ and tail to move and keep balance.
Fins
Mammals have __________ or hair to keep warm.
Fur
Mammals breathe with their __________.
Lungs
Mammals usually have four limbs and some of them have a __________.
Tail
True or False: All birds can fly.
False
Birds have __________ to keep warm and protect their body.
Feathers
True or False: All birds have wings.
True
Birds breathe through their __________.
Lungs
Birds use their __________ instead of teeth to eat.
Beak
Amphibians live in _________ or on _________ near rivers.
water, land
Amphibians have thin and __________ skin.
Moist
When amphibians are babies, they use __________ to breathe.
Gills
Amphibians use their sticky __________ to eat.
Tongue
Amphibians are ________ and they lay their eggs in water.
oviparous
Reptiles have thick and __________ skin and their bodies are completely covered in scales.
Dry
