How do we classify vertebrates?

How do we classify vertebrates?

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Characteristics of AnimalsCharacteristics of Animals

• Features that make them different– Many cells.– Cannot make their own food– Can move on their own.

Vertebrate AnimalsVertebrate Animals

• Vertebrates

• Backbone that surrounds the spinal cord.

• Divided in to 5 classes:– mammals– Birds– Reptiles– Amphibians– Fish

MammalsMammals

• They all:– Breath air– Make milk for young– Have hair or fur

Mammals Cont.Mammals Cont.

• Have fur or hair – Keeps same body temperature

• Young born looking like parent.

ReptilesReptiles

• Do not have hair or fur

• Skin with scales

• Temperature of body changes with outside

Life Cycle of ReptilesLife Cycle of Reptiles

• Young looks like parents.

• Hatch from eggs

• Ready to live on their own

BirdsBirds

• They are special because of their feathers.

• Not all birds can fly.

• Lay hard shell eggs.

Life Cycle of BirdsLife Cycle of Birds

• Young birds need to be fed by parents