Definition of vertebrates

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Slide 1

Definition of Vertebrates

organisms with many cells

heterotrophic

endothermic or ectothermic

Slide 2

Characteristics of Vertebrates

Backbones

Protective skin covering

Inside or outside skeleton

Muscles

Blood that circulates through blood vessels or lungs for breathing

Slide 3

Most have legs or fins for movement

Have a nervous system

A brain that processes information

Have sense organs ( ears or tongues

Have specialized organ systems

Characteristics (continued)

Slide 4

Vertebrates are Classified into Five Groups

Fish

Amphibians

Reptiles

Mammals

Birds

Slide 5

Fish

Have a backbone

Cold Blooded (ectothermic)

Obtain water through gills

Most lay eggs

Have fins

Live in water

Slide 6

Fish Classification

Bony fish =are fish with bones

Jawless Fish=are fish without jaws

Cartilaginous Fish=are fish without bones, but have cartilage

Slide 7

Fish Anatomy

Slide 8

Amphibians

Have a backbone

Are cold blooded

Can breathe with gills in early life:breathe with lungs as adults

Go thru Metamorphosis

Lay jelly like eggs

Slide 9

Reptiles

Have a backbone

Are cold blooded (ectothermic)

Breathe with lungs

Lay eggs

Some have fangs that inject venom into prey

Have one lung

No feet

Have no ears

Slide 10

Mammals

Have backbones

Warm blooded (endothermic)

Breathe with lungs

Have babies that are born alive

Have fur or hair

Produce milk to feed their young

Slide 11

Mammals (continued)

Slide 12

Birds

Are warm blooded (ectothermic)

Breathe with lungs

Lay eggs

Have feathers

Have a beak, two wings and two feet

Slide 13

Bird Classification