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Biology, 21.06.2019 13:00
Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? the wings are analogous structures that evolved differently and do not have a similar internal structure. the wings are homologous structures that evolved differently and do not have a similar internal structure. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. wings of bats are vestigial structures, but the wing structures of birds are not vestigial.
Answers: 2
Biology, 21.06.2019 22:40
Which sequence correctly shows the path of carbon dioxide during repiration?
Answers: 1
Biology, 22.06.2019 04:30
Why are scientists concerned about the depletion of the ozone levels in the stratosphere?
Answers: 2
Can a light pass through a black paper?...
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