VERTEBRATES |
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| 2007-11-19 | No history |  | Add My version | |
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VERTEBRATES
I. REPTILES
A. Class Reptilia
1. breathe air
2. lay eggs
3. dry scaly skin
4. cold blooded
II. FISH
A. Class
Osteichthyes
1. bony
a.
b.
B. Class
Chondrichthyes
1. cartilaginous
a.
b.
C. Class
Agnatha
1. jawless
III. BIRDS
A. Class
Aves
1. warm-blooded
2. hollow bones
3. feathers
Feathers are for flying and insulation.
IV. AMPHIBIANS
Amphibians live their early life in water and breathe with gills. Adult amphibians live on land and breathe with lungs.
A. Class
Amphibia
1. adult
a. lungs
b. live on land
2. juvenile
a. gills
b. live in water
V. MAMMALS
A. Class
Mammalia
1. warm blooded
2. hair
3. live young
a. fed milk
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