What is some info about sharks?

Answer 1

1) sharks have very sensitive hearing, they can hear prey from 700ft away.

2) shark have very good smell, they can even smell the protein in blood from up to a mile away.

3) some shark lay eggs, others give birth to live young.

4) most shark babies are on their own after birth, if they get i mums way mums gonna eat them.

5) the shark species first appeared 400 million years ago, the main shark types around today evolved 100 million years ago.

6) for every human sharks kill over a million sharks are killed, more people are killed by deer than by sharks.

7) most fish scales are smooth, but sharks scales are actually teeth.

8) sharks have cartilage instead of bones, the only bones a shark has are teeth.

9) most fish have flaps over their gills, sharks don't.

10) most sharks must keep moving to live, as if they don't no oxygen passes through their gills and they will suffocate.

Answer 2

1. A Great White shark's scientific name is the Charcharodon Charcharias

2. A Prehistoric Great white shark's scientific name is Chararodon Megalodon.

3. A Great White can grow to be around 4 to 5 meters long.

4. After a Great White Shark looses teeth some more grow back in a little bit later. They never run out of teeth.

5. A Great White Shark's tooth is about the size of a U.S quarter.

Megalodon was not a close relative of the white shark as formerly believed. More recent evidence shows it was more related to the family Otondontidae.

Answer 3

Sharks have many layers of teeth so when some fall out new ones appear quickly. Sharks also are meat eaters and have a whole week dedicated to them :D YAY shark week <3

Answer 4

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