during a trip to the galapagos islands, which observation led charles darwin to suspect that organisms…

during a trip to the galapagos islands, which observation led charles darwin to suspect that organisms change over time?\nisland finches were able to breed with mainland species.\nisland finches resembled mainland finches, but were not the same species.\nisland finches resembled extinct species from other islands around the world.\nisland finches did not have beaks of the same size and shape.
Answer
Brief Explanations:
Darwin noticed the variation in finch beak - size and shape on the Galapagos Islands. This variation in a single species' physical traits across different environments led him to suspect evolution. The other options do not directly relate to the key observation that spurred his thinking about organisms changing over time.
Answer:
Island finches did not have beaks of the same size and shape.