5th+Period+Unit+5+Jordan+and+Stori

Charles Darwin is the man who discovered that Finches (birds) moved to a new island with diffrent food. the Finches evelved thier beak shapes over time on their island to make it easier to eat the food they found.

Fossils in the layers of Sedimentary Rock.

Peppered Moths are moths that were black and white. During the Industrial revolution the trees they stay on were stained black with soot.This made the Black Peppered Moths blend in and the White Peppered Moths stand out. From a birds view, he would only see the white moths and eat them only. That leaves only the black moths. So, now there is no more white Peppered Moths.

Giraffes used to have short necks but evelved over a long period of time to be longer so they could be able to reach the food in the trees.The food in the trees is food no other animal can get so its only for girrafes. Evolution: -Evolution is the process when an organism changes its traits over a period of time.For example: Giraffes. Giraffes changed over time from short necks to long necks so they could eat from the food in the high trees. - Many animals change over time to adapt to a new food source or any new living condition they have to get used to. -Charles Darwin was a scientist who did lots of work in evolution. He discovered Finches, A bird found on the Galapagose Islands. The finches lived on a Island that had food that fit in their beaks, but when they had to move to a new Island, The Galapagose, the food they found there was different then the food at their other Island. Darwin discovered the finches beaks and noted that they had changed their beak shape over time to make it easier to eat the new unknown food found on their island. -Natural Selection is the long change (very common) of biological traits in an organism whch makes them different to the other animals in their population. These changes stay with the organism and when the animal reproduces, the new animal gets thet trait. This makes the traits spread throughout all the next generations. The fossils found in the layers of the sedimentary rock can show how old the fossil was which makes the scientist know when that animal existed. -If the fossil is very far down in the layers (say, the bottom layer) then that mean that its the oldest one, but if they find one similar to that same fossil one layer up, then that must mean that that organism changed of=ver time. -If a Scientist finds the fossil of a Finch in one layer with the beak they began with, then looked in aother layer and found a Finch with a different beak, they would know and see how they evolved over time. media type="custom" key="15539802"media type="custom" key="15539828" media type="custom" key="15540216"media type="custom" key="16067012" media type="custom" key="15540554" width="150" height="150"

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