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The Non-Bony Fish
Transcript of The Non-Bony Fish
Sharks and Rays
The Non-Bony Fish
Hagfish use slime as a dense
Hagfish are scavengers
Lamprey are parasites
Ampullae of Lorenzini
First Dorsal Fin
Second Dorsal Fin
In 1996, toilets injured 43,000 Americans. Sharks injured 13.
You have a one in 63 chance of dying from the flu and a one in 3,700,000 chance of being killed by a shark.
You have a one in 218 chance of dying from a fall and a one in 3.7 million chance of being killed by a shark.
1n 1996, buckets and pails injured almost 11,000 Americans. Sharks injured 13.
In 1996, room fresheners injured 2,600 Americans. Sharks injured 13.
The U.S. averages 19 shark attacks a year. Lightning kills about 41 people a year in coastal states alone.
What things do you know about me?
T/F? Sharks are all predators with big teeth.
T/F The number of shark attacks are rising.
T/F The number of shark attacks are rising?
T/F Sharks don't get cancer.
T/F Sharks must keep moving to breath.
T/F Sharks are ancient fishes, having changed very little in 400 million years.