Vertebrates

Types of VertebratesTypes of Vertebrates

AmphibiansAmphibians

MammalsMammals

Birds

FishFish

ReptilesReptiles

BirdsBirds

MammalsMammalsMammalsMammalsMammalsMammalsMammalsMammals

AmphibiansAmphibians

MammalsMammals

AmphibiansAmphibiansAmphibiansAmphibians

FishFish

BirdsBirds

ReptilesReptilesReptilesReptiles

Mammals Mammals

Features Features milk secreted from mammary glands

hair; conserves body heat permitting even tinymammals to be warm-blooded .

teeth specialized for cutting (incisors), tearing (canines) and grinding (molars) their food .

about 4,600 species living today .

ReptilesReptiles

Features Features

a dry, water-impermeable skin

lungs inflated by expansion of the rib cage

a partial septum in the ventricle reducing the mixing of oxygenated and deoxygenated blood

FishFish

Features Features

Their fins are thin and supported by spines.

There are some 25,000 species.

They are an important part of the human diet in many areas of the world and, in affluent nations, support a large sports fishing industry.

BirdsBirds

Features Features hollow bones

a single gonad (in females), which becomes enlarged and active only during the breeding season

no teeth (their function is replaced by the gizzard)

powerful breast muscles attached to an enlarged sternum

AmphibiansAmphibians

Features Features

their skin is soft and moist so they are at risk of desiccation in dry surroundings .

their eggs have no waterproof covering so…they must be laid in waterplaced within the mother's body

The End