What do you call the variables in an experiment that remain the same in all test groups?
a. e...
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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.
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Biology, 21.06.2019 14:50
What must happen before meiosis can begin? a. four gametes must be produced b. the four tetrads must be pulled apart c. dna doubles and produces sister chromatids d. the cell membrane pinches together
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Biology, 22.06.2019 05:30
Why do oceanic plates tend to subduction when colliding with a continental plate
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Mathematics, 27.04.2020 02:27
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Mathematics, 27.04.2020 02:27