On his voyage, Darwin observed similarities between fossils of the extinct armored glyptodonts and modern armadillos. This observation led him to reason that ____.
A)glyptodons became extinct at the same time as the dinosaurs
B)evolution occurred primarily by artificial selection
C)the current landscape of the Earth was sculpted over millions of years
D)glyptodons were ancient relatives of armadillos
E)acquired traits are passed from parents to offspring

Question

Quizplus · Accepted Answer

Darwin's observation of similarities between the fossils of glyptodonts and modern armadillos led him to reason that glyptodonts were the ancient relatives of armadillos. This supports his theory of evolution through common ancestry.

On His Voyage, Darwin Observed Similarities Between Fossils of the Extinct