Bats have evolved from animals such as rodents, such as mice, chipmunks have discovered the fossilized remains of bats, the oldest in the EOCENE which last about 50 million years, bats are animals, mammals (Class Mammalia) by the hand. and the arms to act as wings. A thin tissue Between fingers, arms, legs and torso are distributed throughout the vascular tissue to moisten and cool the body tissues.
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