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7 Cards in this Set
- Front
- Back
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proposed by Alfred Wegener which stated that the continents had moved.
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continental drift
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Wegener hypothesized that the continents once formed part of a single landmass- means all lands
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Pangaea
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surrounding Pangaea was a huge ocean- means all seas
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Panthalassa
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a small extinct land reptile that lived 270 million years ago which its fossils were found in both eastern South America and western Africa
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Mesosaurus
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an undersea mountain range with a steep, narrow valley running down its center.
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Mid- Atlantic Ridge
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the Mid- Atlantic Ridge is one part of an entire system of ______ that wind their way around Earth
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Mid- Ocean Ridges
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movement of the ocean floor away from either side of a mid- ocean ridge
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seafloor spreading
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