Sharks!!! πππ₯°π¦π¦π¦π¦π¦π¦ Flashcards
Know EVERYTHING about sharks (17 cards)
What is the common name for the species classified as elasmobranchii?
Sharks
Elasmobranchii includes rays and skates.
What is the size range of sharks?
7 inches to 32.8 feet
What is the weight range of sharks?
<1 ounce to 20.6 tons
How long have sharks been around according to fossil evidence?
More than 400 million years
How many species of sharks are estimated to exist?
Roughly 500 species
What type of skeleton do sharks have?
Cartilage
How many gill slits do sharks typically have on each side of their heads?
Five to seven gill slits
What is the largest fish species on Earth?
Whale shark
What is the maximum size a whale shark can grow to?
More than 55 feet
What is the size of the dwarf lantern shark?
Eight inches
How are shark teeth characterized?
Multiple rows of individual teeth that fall out and grow back
What are the two common shapes of shark teeth?
Serrated like a razor and triangular like a spear
True or False: Sharks have bones instead of cartilage.
False
Fill in the blank: Sharks are known as the oceanβs _______.
top predators
What misconception do blockbuster movies often portray about sharks?
They depict sharks as blood-seeking villains
Which shark is the shyest?
great white
What sharks do we get in Scotland
Basking sharks