Please answer question in short, your own words.‚Äč

Biology
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What was Pangea? How does the idea of Pangea explain similar species existing on many continents in the modern world today?

Please answer question in short, your own words.

Aug 4th, 2015

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About 200 million years ago, the continents were joined into one supercontinent that Wegener called Pangea.About 300 million years ago, the Earth didn't have seven continents, but there is only one massive supercontinent called Pangaea.The geographic distribution of organisms on the planet follows patterns that are best explained by evolution in conjunction with the movement of tectonic plates over geological time. Broad groups that evolved before the breakup of the supercontinent pangea.
In the fossil record, identical plants, such as the extinct seed fern Glossopteris, are found on now widely disparate continents. And mountain chains that now lie on different continents, such as the Appalachians in the United States and the Atlas Mountains in Morocco, were all part of the Central Pangaea.

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Aug 4th, 2015

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