can you say that human,whale and bat might belong to common ancestral group
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yes, it might because of homologus strucureof human hand whale flippers and bat wings
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Explanation:
Millions of years ago, the earth was hot and humid, and there were no living things exist. Bacterias and microorganisms were found in the water as living things and as the earth cooled down gradually, its atmosphere becoming favourable to support several different and complex lifeforms, different species started appearing roaming the face of the planet. So it can be assumed that whale and bats all belong to a common ancestor as the first life that stirred in the deep waters of the oceans.
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