While on his Beagle voyage,Darwin made important observations of ____________,which eventually helped lead to his evolutionary theory.

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Darwin's observations of both fossilized remains of extinct animals and finches with differently shaped beaks on different islands allowed him to develop his theory of evolution by natural selection. The fossils showed him that extinct species were structurally similar to current species, and the finches showed him that natural selection played a role in shaping different traits in different populations of the same species.

While on His Beagle Voyage,Darwin Made Important Observations of ____________,Which