The correct response is A. The popular idea during the
time of Darwin's research was that all of the living things were exactly the way they
were throughout history and that Earth was only a few thousand years old. When Darwin
traveled to South America, he encountered many fossils that resembled animals of his
time, and yet, were different in terms of size and modifications. He reasoned that they
must be an earlier version of the animals that existed in his time. He reasoned that
living things had ancestors that they descended from. When he explored the Galapagos,
this idea as well as the fact that the animals he encountered were different from those
on the mainland in Equador, and yet had similarities, helped formulate his ideas about
Natural Selection. An example is the Darwin finches. He reasoned that ancestral finches
from the South America migrated to the Galapagos and over time, and due to different
environmental pressures on the different islands, many species arose due to Natural
Selection.
Saturday, January 10, 2015
Darwin thought that the plants and animals of the Galapagos Islands were similar to those of the nearby coast of South America becauseA) their...
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