Types of Animals

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Types of Animals

Invertebrates

665 million year old fossils found

over 1 million

Subtopic

No backbone

Mammals

Oldest record mammal was 211.

5,000+

Milk fed

Warm blooded

Fur

Amphibians

Absorb water and oxygen though skin

Number of species

90% are frogs

8,000

Lay un-shelled eggs

Scaleless skin

Reptiles

Facts

Discovered 320 million years ago

Have backbones

Number in species

Approximately 10,000

Characteristics

Lay eggs

Scales

Cold blooded