14.Which sentence best describes vestigial structures?
A.They contain genetic mutations.
B.They may have had an important function in the past.
C.They are necessary for an organism's survival.
D.All animals have them.
16.Which is a significant benefit of studying fossils?
A.Fossils give information about the time period in which organisms lived in the past.
B.Fossils give information about the colors and outer coverings of organisms that are no longer living.
C.Fossils help prove that organisms of the past have little relation to present-day organisms.
D.Fossil evidence shows that changes that occurred in the past no longer occur.
2007-02-18
15:07:41
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2 answers
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asked by
Anonymous
in
Science & Mathematics
➔ Zoology