Which line of evidence for evolution looks at the presence of structures that are no longer used by an organism, for example; the pelvic bones found in some snakes? A. vestigial structures B. atavistic genes C. divergent structures D. homologous structures
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Which of the following describes how vestigial structures provide evidence to support that life changes over time? A. some animals exhibit similar structures, possibly due to a common ancestor B. some animals exhibit similar stages of embryonic development C. some animals exhibit structures that are no longer used for any purpose D. some fossils exhibit similar biological proteins
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which is the strongest evidence for evolution? A) embryology B) DNA evidence C) homologous structures D) fossil evidence
Which of these provides evidence from developmental biology of a shared evolutionary history? a. The DNA sequences of the cytochrome c genes in chimpanzees and spider monkeys are over 90% identical. b. The skeletal structure of a leg of a horse and a flipper of a whale are very similar. c. Both snakes and dogs have pelvic bones even though they are vestigial structures of the snake. d. Both lobsters and frogs go through metamorphosis as a process in their life cycle.
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