While on the H.M.S. Beagle, Darwin observed that ____.
A) organisms on the Galápagos Islands resembled species on the mainland
B) armadillos and glyptodonts coexisted in some habitats but not others
C) similar organisms colonized similar habitats in South America and Europe
D) organisms in different South American habitats resembled each other, but did not resemble organisms in similar European habitats
E) no organisms resembled fossilized extinct animals

Question

Quizplus · Accepted Answer

Darwin observed that organisms in different South American habitats resembled each other, but did not resemble organisms in similar European habitats. This observation led him to develop his theory of evolution by natural selection.