In his voyage around the world in the Beagle, what observation did Darwin make about animals?
a. Animals in similar climate zones were similar regardless of where they lived.
b. Animals isolated on islands were unlike those living on nearby mainlands.
c. Animals living closer together appeared more closely related to each other than to animals living further away.
d. Fossils of animals showed characteristics that were unlike any surviving species.
e. There appeared to be no genetic connections between any of the animals he observed.
ANSWER: c
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