1. Classification of Animals
All animals classify in to
two major groups.
Vertebrate: Animals having back
bone
Invertebrates: Animals do not
have back bone
2. There are five groups of
Vertebrates
Fish
Amphibians
Birds
Mammals
Reptiles
3. Fish
Are cold-
blooded
Have gills and
scales
Live in water
Have a
Backbone
4. Reptiles
Have scales
Live on land
Are cold-blooded
Usually lay eggs
Have a Backbone
5. Amphibians
Live in water and
on land
Are cold blooded
Have smooth skin
Lay eggs
Have a Backbone
6. Birds
Have feathers
Are warm-blooded
Have hollow bones
and most can fly
Lay eggs
Have a Backbone
7. Mammals
Have hair or fur
Are warm-blooded
Feed milk to their
young
Have a Backbone
8. Review
Animals without Animals with backbones
Backbones are are called
called invertebrates: vertebrates
Sponges
Anemones and Jellyfish Fish
Worms
Reptiles
Snails, Clams and
Octopuses Amphibians
Starfish and Urchins Birds
Insects, Spiders, Ticks, Mammals
Lobsters, Crabs, and
Crayfish