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Fossil Preserved remains or traces of organisms
Fossil Record It is the source information used by scientists to discover earth’s geologic and biologic history
Pangea All continents together as one large land mass. Greek word that means “all the Earth”
Continental Drift Earth’s crust was a single mass that broke apart and separated
Crust The thinnest layer of the Earth
Mantle The thickest layer of the Earth
Continental crust Thicker and less dense crust
Oceanic crust Thinner and more dense crust
Why was Wegener’s idea of continental drift originally rejected He could not explain what caused the continents to drift apart
How do most fossils form? Plant or animal dies and buried in mud, bones or shell of organism remain, then covered with sediment on top and hardens and turns into rock over a long time
How would fossils of fish found on the side of a mountain show evidence of how landforms have changed on Earth? It shows that the Earth has moved and it had to be underwater at one time
How would fossils of tropical plants found in Antarctica show evidence of how climate or continental positions have changed on Earth? At one time Antartica had a warmer climate or the Earth positions had changed
Why is the inner core the densest layer? Composition is metal
Created by: kylee2027



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