Darwin was surprised that many of the plants and animals on the Galapagos Islands were similar to organisms on mainland South America. For example, many of the birds on the islands, including hawks, mocking birds, and finches, resembled those on the mainland. From Darwin's observations, Darwin inferred that a small number of different plant and animal species had come to the Galapagos Islands from the storm or set adrift on a fallen log. The iguanas on the Galapagos Islands had large claws that allow them to keep their grip on slippery rocks, where they fed on seaweed. The iguanas on the mainland had smaller claws. Smaller claws allowed the mainland iguanas to climb trees, where they ate leaves.
Scientists have been discovering caves, underwater sea creatures and many other things. In the caves, there are crystals. If you go very deep into the water, the pressure will then squeeze the submarine. The movie was really good to tell you about the new discoverings and how the Galapagos Islands are today. [continues]
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