How To Categorize Animals Grade: 1st or 2nd |
The different types of animals are mammals, reptiles, birds, fish, and amphibians. |
Mammals:
1. They are
endothermic
vertebrates. 5. They have sebaceous (fat-secreting) glands. 6. They have heterodont dentition (different types of teeth). |
Reptiles: 1.
They are
ectothermic
vertebrates. 5. They are the first animals, in evolution, to develop the amniotic egg. This allows reptiles to lay eggs on land. |
Birds:
1. They are
endothermic
vertebrates. 5. Their forelimbs are modified as wings. 6. They lay hard shelled eggs. |
Fish:
1. They are
ectothermic,
aquatic
vertebrates. |
Amphibians:
1. They are
ectothermic
vertebrates. |
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