Chapter 8 + Shark dissection practice quiz

Which gives birth to live young? (Ch8. #4 & 15)

• Skates

• Rays

An example of a jawless fish:

• Ray

• Shark

• Hagfish

• Whale shark

• Skate

Which of the following statements regarding sharks is false? (Ch8. #4, 5, 7)

• some sharks give birth to live young

• sharks have the ability to detect weak electrical fields

• millions of sharks are killed annually in order to make shark fin soup

• shark cartilage has been proven to help battle inflammation and support the immune system

• although rare there are documented cases of asexual reproduction in female sharks

Which of the following statements regarding sharks is false?

• Each year ~ 70 million sharks are killed for their fins

• Female sharks have clasper fins

• Sharks are able to dislocate their jaws while biting prey

• Whale sharks are filter feeders

Which of the following structures secretes digestive enzymes in the bony fish? (Ch8. #12)

• esophagus

• iridophores

• pyloric caeca

• crystalline style

Which of the following is not a chondrichthyes? (Ch8. #4, 6)

• whale shark

• great white shark

• electric ray

• parrotfish

• hagfish

A fish that has lots of iridophores.... (Ch8 #9, 10)

• will be very shiny

• will be colorful

• will be highly camaflouged

• feeds only on plankton

When a particular color pattern allows animals like fishes to blend with their surroundings: (Ch8. #10)

• Cryptic coloration

• Warning coloration

• Defensive coloration

You are dissecting an unidentified fish and notice that it has a long coiled intestine. Based on this observation you conclude: (Ch8. #12)

• the fish was sick

• the fish was an agnathan

• the fish was a carnivore

• the fish was an herbivore

The whale shark feeds on:

• Plankton

• Large fishes

• Small fishes

• Organic matter from the bottom

• Bottom-dwelling fishes and clams