Question

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

Answer 1

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.

Answer 2

During the trip to Galapagos Islands, the observation that led Charles Darwin to suspect that organisms change over time was that Island finches did not have beaks of the same size and shape.

Further Explanations:

Charles Robert Darwin was a British biologist and Geologist considered for his achievements in the concept of evolution. His proposal that all the species of nature have descended over time span from a common ancestor is widely accepted in present days and is also considered as one of the fundamental theories in science. He also stated that the struggle for existence leaves the same effect as involved in selective breeding.  

Darwin's voyage to Galapagos Island gave him a much lot than he expected. The Island wildlife left him with a handful of Species to continue his experiment. Darwin spent almost 2 months of 1853 on the island and brought several Galapagos with him. In the beginning Darwin though for the expedition was just to visit the place being privileged for natural history. He with his observation was able to state the theory that organism physic changes with time as the finches on the Island were not having beaks of the same size.  

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Answer Details

Grade: High School

Subject: History

Chapter: Charles Robert Darwin

Keywords: Charles Robert Darwin, British,biologist , Geologist, evolution, science, voyage , Galapagos, Island, wildlife, Species, Galapagos, expedition, organism, physic, finches,