During a trip to the Galapagos Islands, which observation led Charles Darwin to suspect that organisms change over time?

A. Island finches were able to breed with mainland species.

B. Island finches resembled mainland finches, but were not the same species.

C. Island finches resembled extinct species from other islands around the world.

D. Island finches did not have beaks of the same size and shape.

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Kirsten Campos

5 August, 17:31

During a trip to the Galapagos Islands, which observation led Charles Darwin to suspect that organisms change over time?

A. Island finches were able to breed with mainland species.

B. Island finches resembled mainland finches, but were not the same species.

C. Island finches resembled extinct species from other islands around the world.

D. Island finches did not have beaks of the same size and shape.

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Answers (2)

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Travis Petersen · Answer 1

The correct answer in this question is option D. Island finches did not have beaks of the same size and shape. He observed that there are varying species on different islands. This made him theorized that species can adapt to their environment.

Edwin Collins · Answer 2

I believe the answer is: D. Island finches did not have beaks of the same size and shape.

From this observation, Darwin created a hypothesis that the size and shape of the beak is different depending on the type of food that These birds eats.

This led to the theory of evolution which conveys that organization change overtime in order to adapt and ensure their survivability.