Author Question: How do some predatory sharks find their prey? a. They are attracted to vibrations in the water. b. ... (Read 148 times)

wrbasek0

  • Hero Member
  • *****
  • Posts: 560

How do some predatory sharks find their prey?
  a. They are attracted to vibrations in the water.
  b. They use their keen sense of smell.
  c. They use sensitive organs underneath their skin.
  d. All of these choices



Question 2

What are the stinging cells present in cnidarians?
  a. Cnidoblasts
  b. Spicules
  c. Nettles
  d. Gastrodermis




Madisongo23

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

ANS: D
Sharks have sensitive organs arrayed in lines under the surface of their skin that detect vibrations in the
water. This and their sense of smell are important in the hunting of prey. Prey is mostly comprised of
fish and marine mammals. Information can be found in the section Fishes Are Earth's Most Abundant
and Successful Vertebrates



Answer to Question 2

ANS: A
Cnidoblasts are the stinging cells on the tentacles of cnidarians. The tentacles then usher prey towards
the mouth. Information can be found in the section Invertebrates Are the Most Successful and
Abundant Animals.




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

For a complete list of videos, visit our video library