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16 Cards in this Set
- Front
- Back
Explain how convection currents could cause tectonic plates to pull apart.
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You will write your answer here.
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A marsupial that is well adapted to survival in the Americas is the _______.
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opposum
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The theory of continental drift was developed by ___.
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Alfred Wegener
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The Mid-Atlantic Ridge is a result of _____________.
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the movement of the plates pulling away from each other.
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The theory of plate tectonics provides an explanation for ________.
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The Great Rift Valley
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Sections of the eath's lithosphere meet at areas known as ____________.
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plate boundaries
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A pattern of heating and cooling froms a current of air that is called _____.
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convection current
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The teeth of Horner's baby maisaurs were worn down. This was evidence that the babies _______________.
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had not just hatched
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Compared to the babies of placental mammals, marsupial mammals are born _______.
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less well-developed
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Two continents whose facing coastlines match like puzzle pieces are _____________.
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Africa and South America
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Evidence of continental drift is provided by the fossil remains of the ___________.
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mesosaur
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Some animals that are cold-blooded _______________.
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take over a year to double in size
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Of the following animals, the one which is a placental mammal is the kangaroo, opossum, wombat, or dog.
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dog
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Two continents whose facing coastlines match like puzzle pieces are _____________.
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Africa and South America
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About 275 million years agao, Australia was p art of the supercontinent known as ___.
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Pangaea
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Explain why marsupial animals did not survive as well as placental animals in South America.
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You will write your answer here.
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