Birds
True or false: birds' bones are hollow
True
Fish take in oxygen by using this organ
Gills
Mammals give birth to their offspring using this method
Live birth
The shells of reptile eggs show this quality
They are soft
These amphibians have a long body with large external gills
Axolotls
Birds all have this feature covering their bodies
Feathers
True or false: the blood of fish is self regulated
True or false: all mammals live on land
False
The skin of reptiles is covered by these
Scales
Amphibians do not have any of these on their skin
Scales
These birds are flightless
Penguins, Emus, Ostriches, Kiwi, Kakapo, or Cassowary
Fish live exclusively in this medium
Water
Mammals produce this for their young
Milk
This act is used by reptiles to gain heat energy from the sun to warm up their blood
Sunbathing
Amphibians exclusively live near this environmental thing
Water
True or false: birds have an additional organ in their body which gets even more oxygen from the air
True
This type of fish has lung-like organs
Betta fish or lungfish
This mammal is an exception to the general rule and lays eggs to give birth to its young
Echidna or Platypus
This reptiles can change it's skin colour based on how it feels or due to temperature
The slimy substance on the outside of amphibians is called this
Mucous