What unexpected observation helped lead Darwin to develop the theory of natural selection?
A. Mountain building occurs in a slow process over time.
B. Earthquakes take place in the Andes Mountains in Chile
C. Farmers use selective breeding to develop more useful crops
D. Organisms on the Galapagos were similar to, yet different from, one another and from similar species in South America

Question

What unexpected observation helped lead Darwin to develop the theory of natural selection?
A. Mountain building occurs in a slow process over time.
B. Earthquakes take place in the Andes Mountains in Chile
C. Farmers use selective breeding to develop more useful crops
D. Organisms on the Galapagos were similar to, yet different from, one another and from similar species in South America

anonymous · Answer

D....the finches in the galapagos islands