Sharks

Bone is to _______ as cartilage is to a drinking straw

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Tags

CCSS.RI.4.1

CCSS.RI.4.3

Which of the following fish has a skeleton most like a shark?

• a. Stingray

• b. Goldfish

• c. Marlin

• d. Barracuda

Tags

CCSS.RI.4.1

CCSS.RI.4.2

CCSS.RI.4.3

A shark's liver helps it maintain its buoyancy. What is a synonym for buoyancy?

• a. Speed

• b. Lightness

• c. Heaviness

• d. Ability to float

If sharks move like airplanes then bony fish move like ________.

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Which of the following statements about denticles is true?

• a. They produce drag in the water, slowing sharks down

• b. The make shark skin unusually smooth

• c. They can only be seen with a microscope

• d. When they fall out, they cannot be replaced

Shark teeth share things in common with all of the following except:

• a. Plankton

• b. Conveyor belts

• c. Fingernails

• d. Denticles

The special receptors on a shark’s head can detect:

• a. Oxygen

• b. Electrical impulses

• c. Blood

• d. Other Sharks

Why do great white sharks poke their heads out of the water?

• a. To breathe

• b. To hunt

• c. To communicate

• d. To navigate

When is a shark's countershading most effective?

• a. A moonless night

• b. A cloudy day

• c. A moonlit night

• d. A sunny day

Why are most sharks killed by humans?

• a. To keep beaches safe

• b. To protect seals

• c. For food

• d. To control their population