What is the largest shark in the world?
Whale shark
Where are sharks on the food chain
Number 2
Killer whales are number 1
Sharks don't sleep?
False
What is the biggest shark in history
Megalodon
How many sharks attack.
These rarely end in death
How many different species of shark exist?
About 450 different types
What is a shark made up of?
Cartilage
Sharks only attack in deep waters.
False, shark attacks usually happen in 6 feet of water or less.
About how many teeth do sharks replace?
20 to 30 thousands
How many sharks are killed each year.
About 100 to 200 Million
What type of shark is considered the most aggressive?
(solo)
Bull shark
Largest living shark
The Greenland Shark (250)
Sharks are mammals
False they are fish.
How long have sharks been on earth
About 450 million years have gone through 4 major events.
What are sharks killed for?
Sharks are mostly killed for there fins.
Has the most human deaths? There are three types.
1. Great White
2. Tiger
3.Bull Shark
What is sharks' skin made of?
Dermal denticles
(Feel teeth like)
Sharks don't have vocal cords
True, one of the only fish that doesn't have vocal cords.
What period do we think that sharks became in.
The Ordovician Period.
Most of the world was under water and following was the ice age.
What type of shark cannot be held in captivity at all?
The Great White Shark
Smallest shark in the world.
Dwaf Lanternshark
6.3-7.9 inches
What shark migrate together?
Hammerhead sharks
Sharks can detect electricity.
True.
Most endangered shark
Ganges Shark only about 50 living and there is an habitat in Australia to rehabilitate
What type of sharks lay and egg and what are they called?
Oviparous about 40% they are called (mermaid purses)
Ovoviviparous produce eggs but hatch in body