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Extinction Of Dinosaurs
Part I of Essay
Biology
6th Period
Two-hundred and thirty million years ago the first dinosaur-like
creature roamed the earth. Within five million years it could be considered a
dinosaur. They were soon at the top of the food chain. They populated every
continent. Then 65 million yea .... Part II of Essay .... caused the dinosaurs' birth rate to drop.
The birth rate became smaller than the death rate and the dinosaurs died out.
This, however, is not a plausible scenario. This would only account for the
dinosaurs, but not all the other creatures of that time. Paleontologists needed
to come up with a more plausible and devastating theory that would include the
other creatures that died out 65 million years ago.
There have been several major theories that have come about that can all
be substantiated. Any one of these events, theorized by paleon ....
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Words: 684 - Pages: 3
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