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Darwin learned that there were different shaped backs of the tortoises, some had arc shaped or straight. The other thing the tortoises had is long or short necks. There were varieties of island and on every island there were different tortoises.

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11y ago
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12y ago

He learned from talking to that guy that the tortoises on different islands had different shells. This led Darwin to investigate the differences in the environments on the different islands, and then to hypothesize that the tortoises had changed over the generations to adapt to the conditions on different islands.

He saw the same thing going on with other animals too. Another group of animals that comes to mind is the finches. He saw that they had different beaks, each fairly well-suited to the type of food the birds have to eat.

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15y ago

He saw that each tortoise inhabited a different island. The townspeople could tell which island a tortoise came from by the shape of its shell.

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11y ago

the tortise is very fast

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4y ago

a boat

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Q: What did Charles Darwin conclude based on the giant tortoises observed in the Galapagos Islands?
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Related questions

Island where Darwin observed variation in tortoises?

While Charles Darwin was in Galapagos, he visited the islands of Floreana, Isabela, San Cristóbal, and Santiago only.


What did Darwin wonder about the finches and tortoises?

Charles Darwin reached the Galapagos islands in 1835. He observed many finches, tortoises and many other animals. He observed that the animals in the Galapagos were different than the animals in other places like south America. This may be because the climate is different in the Galapagos than in other places so the animals may have involved to suit the temperatures in the Galapagos.


What did Charles Darwin eat whilst on the Galapagos islands?

tortoises


What observations did Charles Darwin make about Galapagos tortoises?

turtles have shells....


On the galapagos islands Charles Darwin observed?

finches


What are the islands where Charles Darwin observed variation among organisms?

Galapagos Islands are the islands where Charles Darwin observed variation among organisms.


What bird Charles Darwin breed to test his theory?

Galapagos finches


Who observed variations in the characteristics of animals and plants on the islands of Galapagos?

Charles Darwin


Who observed variations in characteristics of animals and plants on the island of galapagos?

charles darwin


Who observed variation in the characteristics of animals and plants on the different islands of Galapagos?

Charles Darwin


Do Galapagos tortoises get kept in captivaty?

Many Galapagos tortoises are breeded in captivity through the Charles Darwin Research Station in conjunction with the Galapagos National Park. This is to help preserve the variety of species and increase the tortoise population on various islands. The tortoises are numbered and eventually released back into the wild. On Santa Cruz, San Cristobal, and Isabela Islands there are Galapagos Tortoise breeding centers that make significant differences in the preservaton of these beautiful creatures.


What did Charles Darwin observe in finches and tortoises in the Galapagos what theory is this?

In the finches, Charles Darwin observed the different beak shapes according to where they lived in the Galapagos. He later linked their beak shapes to the food they ate. Their beaks were shaped to make it more convenient to get their food. In tortoises, he observed the shapes of their shells. The shell shapes got either progressively curvier or progressively less curvy as you travel up or down the island. And I'm not 100% sure about the theory thing, but I think it's the Theory of Evolution