Prehistoric shakrs were WAY bigger than their present day cousins. For example, the Megalodon, a prehistoric cousin of the Great White, was 72-80 feet long! That's way longer than the 20 ft. Great White!
most prehistoric sharks looks more primitive than their modern cousins,and more bigger
Alot of things. The prehistoric sharks were bigger, more dangerous, and overall different. Some prehistoric sharks had spikes and 6 inch teeth and were bigger than 40 feet.
a prehistoric shark is a shark that lived along time ago doofes
A shark is bigger then a bass.
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the shark has a bigger nose and a tail.
ummm... one's a whale, the others a large shark...
A dolphin's fin is rounded at the top, but a shark's fin is straight
they all have tails.....
a great white shark is a fish and a bottle nose dolphin is not
dfs sd
Whale oil contains a lot more blubber than shark oil
Scientists have a special tool to help them find out what species the shark was, how old it was when the tooth was lost, and if the shark had any diseases or sicknesses.
A shark is a fish and a whale is a mammal. Therefor the shark has gills to get oxygen from the water and whales have to breathe air, so they come to the surface.
REMORA IS SMALL AND IS NOT REALLY HARM full then shark but shark doesnt and never eats remora . and remora never eats shark ( this is th e answer i am a diver that's why i think it is correct