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15 Questions - Developed by:
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Sharks are often labeled as man-eaters and terrrorizers of swimmers and divers. But they have reasons for that, and they are so much more that a big toothy mouth.

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    How far back did sharks or shark-like fish start appearing?

Comments (2)


1498 days ago
It's very confusing that the answers are all in the Imperial system of measurement. You should have Metric options as well.
2434 days ago
It's Carcharocles megladon it started off as Carcharodon until scientists discovered that it shared very few characteristics with C carcharias so it was renamed with a class all its own