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kaheart [24]
3 years ago
14

Whether the external temperature is hot or cold, birds maintain an internal body temperature of approximately 40°c. this is an

example of
Biology
1 answer:
Elanso [62]3 years ago
8 0
Equalibrium!!!!!!!!!!!.
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The protostome developmental sequence arose just once in evolutionary history, resulting in two main subgroups—Lophotrochozoa an
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