Shark Dissection

Sharks have a skeleton made out of cartilage.

• True

• False

In addition to gills, sharks have modified gill slits called _______that help with water intake and hence gas exchange.

The ____line of sharks (and fish in general) is a light line running the length of the body that detects water currents, pressure changes and movements in the water.

Which of the following is the scientific name of the dogfish shark?

• Squalus acanthias

• Orcinus orca

• Delphinium delphi

Sharks have bioreceptors called the _____ _____ ______ that detect the weak electrical signals of living organisms.

What helps orient the shark as it swims through the water?

Tags

NGSS.MS-LS1-8

Females have a special extension of their pelvic fins called claspers.

• True

• False

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-2

The cloaca is a "multi-purpose opening" for solid and liquid waste products as well as reproductive fluids.

• True

• False

Sharks have no swim bladder.

• True

• False

The pointed snout at the anterior end of the shark is called the ___

• nose

• nostril

• spiracle

• rostrum

Tags

NGSS.MS-LS4-2