Animals Facts

They are cold-blooded, or ectothermic.

• MAMMALS

• FISH

• BIRDS

• REPTILES

• AMPHIBIANS

They live underwater.

• MAMMALS

• INVERTEBRATES

• BIRDS

• FISH

• AMPHIBIANS

They breathe through lungs

• INVERTEBRATES

• MAMMALS

• REPTILES

• BIRDS

• AMPHIBIANS

Not all of them can fly, but they do all have wings.

• REPTILES

• BIRDS

• AMPHIBIANS

• MAMMALS

• INVERTEBRATES

They have four legs or descended from animals with four legs.

• REPTILES

• INVERTEBRATES

• AMPHIBIANS

• MAMMALS

• BIRDS

They have hollow bones and their bodies are covered in feathers.

• FISH

• MAMMALS

• BIRDS

• INVERTEBRATES

• AMPHIBIANS

They lay eggs to reproduce.

• REPTILES

• AMPHIBIANS

• BIRDS

• INVERTEBRATES

• MAMMALS

They are endothermic, or warm-blooded.

• MAMMALS

• REPTILES

• INVERTEBRATES

• BIRDS

• AMPHIBIANS

Their bodies are covered in scales or scutes.

• BIRDS

• FISH

• AMPHIBIANS

• REPTILES

• INVERTEBRATES

Their jaw is hinged directly to their skull unlike all other vertebrates.

• REPTILES

• INVERTEBRATES

• BIRDS

• MAMMALS

• FISH