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Created with Fabric.js 1.4.5 Galapagos Islands Natural Selection is the change inthe genes of a species with a selectionof better traits made for survival and reproduction. Natural Selection Darwin's Theory Darwin's theory states that there are variations in traits in a species andthese variations can influence whether a certain organism will reproduce and survive. The better gene that survived in the organism will be passed on to the offspring. Allopatric Speciation The Galapagos Islands have a unique set of species because the islands were formed from an erupting volcano. The islands started with no plant or animal life.Therefore, all the plants and animals had to arrive there by air or water. Some flew or got carried by the wind. Other animals were carried on rafts of vegetation or swam to the islands. The Unique Animals of the Galapago Islands Galapagos fur seal are the smallest eared seal in the world, They also spend 70% of there time out the water which makes them one of the most land loving seals. Galapagos tortoises are what theisland is named after. Their lifespans are about 170 years and there are only about 15,000 alive today. One of the smallest penguins in the world is the Galapagos penguin is the only penguin that lives north of the equator. Magnificent frigatebird have a huge throat pouch and when fullyinflated is very stunning and bright. The marine iguana is the only marine lizard that exists on the Earth. The Galapagos finches played a very important role in the development of Darwin's theory ofnatural selection. m hes By: Holly Miller The Galapagos Islands is one of the most important places were there is allopatric speciation. This occurs when different populations of the same species are separated by a geographic barrier such as a mountain or island. Darwin discovered many different types of finches on the Galapagos Islands. The finches were separated on the islands so they could not breed with each other. They also evolved to have different beak shapes and sizes depending on the type of food present on their islands. Over time, these changes can lead to new species.
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