Asked in ScienceEarth SciencesPlate Tectonics
How did continental drift affect the location of different organisms?
May 11, 2015 1:23AM
Continental drift has also affected organisms that are alive today. When populations of organisms become widely separated their genetic make-up may change in different ways.
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How does continental drift affect living organisms?
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Asked in Science, Drifting, Plate Tectonics
How did continental drift affect the location of different organism?
Continental drift is the theory that the continents were once together. Fossils provide evidence that animals in different continents were once in the same location. For example, fossils of triolobites (prehistoric animals) are found in South America and in Africa. Some explorers thought that there was a land bridge that animals crawled on that crosses the ocean but their thinking is not logical because if there was a land bridge there is not a way for it to even form do to the horrific waves in the ocean. Therefore continental drift is a logical theory.
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How did the continental shift theory affect evolution?
The ultimate allopatric ( geographic ) speciation. If you had a population of quite similar organisms in a area that split the population into two or more populations when continental drift occurred you would have different mutations and changing environments putting selective pressure on two or more populations now.
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