Which layer is the oldest and how do you know
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Biology, 02.02.2021 21:00 pineapplefun
Which layer is the oldest and how do you know
Answers: 3
Biology, 22.06.2019 19:30, wolfiewolffromsketch
Forensic scientists think they know the identity of a skeleton. what rule should they use to select a relative whose dna could be used to try to confirm the identity?
Answers: 3
Biology, 22.06.2019 23:30, yusufamin876
The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the correspondingbones in whales have very different shapes and proportions. however, genetic data suggest that all three kindsof organisms diverged from a common ancestor at about the same time. which of the following is the mostlikely explanation for these data? a) humans and bats evolved by natural selection, and whales evolved by lamarckian mechanisms. b) forelimb evolution was adaptive in people and bats, but not in whales. c) natural selection in an aquatic environment resulted in significant changes to whale forelimb anatomy. d) genes mutate faster in whales than in humans or bats. e) whales are not properly classified as mammals.
Answers: 2
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