1. Classification

2. Classification?
Animals are separated into groups or categories so that they are more easily studied and discussed by scientists and others.

3. Animal Classification
Mammals
Fish
Birds
Reptiles
Amphibians

4. Mammals Characteristics: Have teeth Have hair Are warm blooded
Have a single jaw bone
Have inner ear bones
Produce milk for their young

5. Mammals
Mammals have larger brains and seem to be the most capable learners. 
All mammalian mothers nourish  their babies with milk.

6. Fish Characteristics: Are cold-blooded vertebrate (backbone)
Live in water
Usually have paired fins, gills, and scales

7. Fish Most fish lay large numbers of eggs, but some have live birth.
Most fish breathe by drawing water over four or five pairs of gills.

8. Amphibians Characteristics: Are cold-blooded vertebrate (backbone)
Lay their eggs in water
Lack any skin coverings such as fur, scales or feathers

9. Amphibians Young amphibians tend to resemble small fish.
Amphibian means "two lives," a reference to the change that frogs go through as they move from egg to tadpole to frog. 
Even as adults, most frogs and other amphibians must stay close to water. 

10. Birds Characteristics: Have feathers Lay eggs
Have bodies specially adapted for flight
Have a beak rather than teeth

11. Birds Their nearly hollow bones provide lightweight strength.
Birds now live almost everywhere on Earth.

12. Reptiles Characteristics: Have scales Lay leathery eggs on land
Are often called cold-blooded because they can't regulate their own body temperature

13. Reptiles Reptiles do not use energy to fuel internal "furnaces"
Although reptiles breathe through lungs, some reptiles can also absorb oxygen in water through their mouth.

14. Resources Quia Classification Quiz
Charts: Animal classification, Fish, Bird, Amphibian, Animals,
The Animal Kingdom

15. Resources http://www.nmnh.si.edu/BIRDNET/

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