The Ultimate Why Sharks Keep Moving Quiz
by Staff
Is there any truth to the rumor that a shark will drown if it stops moving? In some cases, yes. Some shark species do need to keep moving in order to breathe. Take our quiz and find out how movement affects a shark's ability to breathe.

A shark has to swim to:

  • catch its prey
  • avoid its predators
  • both of the above

Sharks move their bodies _____ while swimming.

  • side-to-side
  • up and down
  • front to back

The fact that a shark will drown if it stops moving has been cited in which publication?

  • Ripley's Believe It or Not!
  • the Farmer's Almanac
  • the Reader's Digest

Sharks must remove _____ from the water around them in order to breathe.

  • hydrogen
  • oxygen
  • carbon

Which part of the shark's body is responsible for absorbing oxygen from the water it takes in?

  • its mouth
  • its gills
  • its fins

How many gill slits does a shark have?

  • five to seven
  • seven to nine
  • nine to eleven

Sharks can extract about _____ percent of oxygen out of the 1 percent of oxygen that's present in the water.

  • 40
  • 60
  • 80

Which of the following shark species don't swim at all?

  • tiger sharks
  • basking sharks
  • nurse sharks

Buccal pumping is the process through which sharks pump water through their mouth and over their gills. Which shark species use this method to breathe?

  • nurse sharks
  • angel sharks
  • both of the above

Sharks that buccal breathe usually have strong _____ muscles.

  • stomach
  • tailback
  • facial

The spiracle is a tube behind the eyes of a shark. The spiracle functions like a:

  • mouth
  • lung
  • nose

_____ ventilation is the breathing method sharks use to take in water while swimming.

  • dam
  • ram
  • jam

Buccal pumping and ram ventilation are two methods sharks use to breathe. Most sharks can:

  • use only one method
  • switch back and forth between the two methods
  • use both methods simultaneously

Sharks that have lost the ability to breathe by buccal pumping and must keep moving to breathe are called obligate ram:

  • breathers
  • ventilators
  • both of the above

Which of the following species of shark must keep moving to breathe?

  • the great white shark
  • the sand tiger shark
  • the nurse shark

How many shark species must keep swimming in order to breathe?

  • about 10
  • about 14
  • about 24

In a study of lemon sharks, young sharks breathed _____percent more efficiently when swimming than when resting.

  • four
  • six
  • eight

Which part of the shark's body is responsible for coordinating its swimming?

  • its spinal cord
  • its tail
  • its mouth

Reef sharks are usually:

  • buccal breathers
  • ram ventilators
  • obligate ram ventilators

Shark finning is a process whereby a shark's fin is:

  • filed down
  • cut off
  • sharpened