Vocabulary:
Evolution of birds:
Feeding:
Respiration:
Circulation:
Excretion:
Response:
Movement:
Reproduction:
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Reptile like animal that maintain body temp. Have outer covering of feathers; two legs that are covered with scales and semi hollow bones.
Vocabulary:
Evolution of birds:
Feeding:
Respiration:
Circulation:
Excretion:
Response:
Movement:
Reproduction:
|