Often feared for their reputation, sharks are incredible creatures that have existed on our earth for quite some time. Here are some fast facts you may not have known about sharks!
-There are over 500 species of sharks worldwide.
-Sharks are covered by scales called dermal denticles that are modified teeth.
-Their skeletons are made up of cartilage.
-They have rows of teeth that act like a conveyor belt to rotate teeth throughout their lifetime.
-Most sharks can be identified by the shape, size, and serrations of their teeth.
-Sharks have special jelly filled sacs called the ampullae of lorenzini that are electroreceptors able to detect muscle contractions in their prey.
-Sharks have five or more gill slits.
-The black shark teeth found on the beach have been fossilized in the ocean.
– Sharks are incredibly important creatures in the food chain, and vital to a healthy oceanic environment.
te some time. Here are some fast facts you may not have known about sharks!
arks can be identified by the shape, size, and serrations of their teeth.
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