Which Important Observation in the Galapagos Islands Led to Darwin's

Multiple Choice

Which important observation in the Galapagos Islands led to Darwin's development of evolutionary theory?

A) Wildlife on the islands was different from, but related to, wildlife on the mainland
B) The islands hosted a wide range of wildlife
C) There was a limited range of wildlife on the islands compared to the mainland
D) There were unique species on the islands and the mainland