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What do we call it when a scientist creates something based on a concept already in nature?
Biomimicry
Hannah Herbst created a reusable, antibacterial bandage based on what?
shark skin
Name one threat to sharks
finning, accidental catching, eating shark meat, loss of habitat, used as souvenirs
If this kind of species were to become extinct, it would have a negative impact on the entire food chain. What do we call that kind of species?
keystone species
Dermal denticles are much tougher than scales on a typical fish. They are more similar to what part of the body?
teeth
Why don't divers want to rub against a shark's skin?
It is rough and will damage their suit
The dorsal fin on top of a shark is rigid and it helps with what?
balance
What happens when a shark's tooth falls out?
There is a new one behind it to take its place
Shark gills take dissolved oxygen and put it into their __________ to keep them alive.
Blood
Bony fish have swim bladders for buoyancy. Sharks have an organ filled with oil for buoyancy instead. What is that organ?
liver
Sharks use these to touch things, since they don't have hands.
Teeth
A small part of a shark's ear allows it to recognize gravity so it will know what about its swimming?
If it is swimming up or down
Where are a shark's eyes located - on the front or sides of its head?
sides
2/3 of a shark brain works to analyze what sense?
smell