Chondrichthyes - Assessment

1.

Multiple Choice

20 sec

1 pt

Which Phylum does sharks, skates, rays and bony fish belong to?

Agnatha

Gnathostomata

Osteichthyes

Chordate

2.

Multiple Choice

20 sec

1 pt

What kind of scales does a shark have?

Placoid

Ganoid

Ctenoid

Cycloid

3.

Multiple Choice

20 sec

1 pt

What adaptation did sharks develop to maintain buoyancy?

Fluid in the ears

Gas filled bladder

Large oily liver

Nictitating membrane

4.

Multiple Choice

30 sec

1 pt

What are the electroreceptors in the head of sharks, skates, and rays capable of detecting week electrical signals produced by muscular activity in other creatures?

Nictitating membrane

Chondrichthyes

Schwann cells

Ampullae of Lorenzini

5.

Multiple Choice

20 sec

1 pt

What is the collective name for sharks, rays and skates?

Ichthyes

Chondrichthes

Holocephalii

Dipnoi

6.

Multiple Select

45 sec

1 pt

What other animals are in Class Chondrichthes that aren't sharks?

Rays

Skates

Starfish

Salmon

7.

Multiple Choice

30 sec

1 pt

Cartilaginous fish are different from most bony fish because...

Bony fish are larger than cartilaginous fish

Cartilaginous fish cannot swim as fast as bony fish

Cartilaginous fish do not have a bony skeleton

Bony fish have a skeleton of cartilage

8.

Multiple Choice

20 sec

1 pt

What are the pair of holes used by skates/rays in their respiratory system?

Spiracle

Gills

Snout

Nose

9.

Multiple Choice

10 sec

1 pt

What is the top fin called?

Ventral

Dorsal

Caudal

Pectoral

10.

Multiple Choice

20 sec

1 pt

What is an adaptation by sharks that enhances visual sensitivity under low light conditions.

Sclera

Iris

Tapetum lucidum

Cornea

11.

Multiple Choice

20 sec

1 pt

What type of ventilation method do cartilaginous fish use?

Ram ventilation

Branchial ventilation

Lung ventilation

None of the answers is correct

12.

Multiple Choice

20 sec

1 pt

Modified pelvic fins known as claspers are used for...

reproduction

holding prey

swimming faster

finding locations

13.

Multiple Choice

20 sec

1 pt

Which Class does sharks, skates, rays and bony fish belong to?

Chondrichthyes

Agnatha

Osteichthyes

Scyphozoa

14.

Multiple Choice

10 sec

1 pt

What is the tail fin called?

Ventral

Dorsal

Caudal

Pectoral

15.

Multiple Choice

10 sec

1 pt

Which fin is used for balance?

Ventral

Dorsal

Caudal

Pectoral

16.

Multiple Choice

30 sec

1 pt

All organisms with a spinal cord are members of this phylum

Porifera

Chordata

Chondrichtyes

Osteichthyes

17.

Multiple Choice

30 sec

1 pt

In what CLASS does this species belong?

Porifera

Chondrichtyes

Osteichtyes

Lateral Line

18.

Multiple Choice

30 sec

1 pt

Part of an animal's camouflage, with a lighter bottom and darker top.

Osteichthyes

Lateral line

Countershading

Zooxanthellae

19.

Multiple Choice

30 sec

1 pt

TRUE OR FALSE: Sharks & rays were the first type of fish with paired fins and true jaws

TRUE

FALSE

20.

Multiple Choice

30 sec

1 pt

The presence of ___ will tell you a shark is a male

claspers

ventricle

pelvic fins

a hooked shape dorsal fin

mustache

21.

Multiple Choice

30 sec

1 pt

What does the fish class name "Agnatha" mean?

Jawless

Cartilage fish

Bony Fish

Toothy

22.

Multiple Choice

30 sec

1 pt

Which fish class would a lamprey be classified in?

Chondrichthyes

Agnatha

Osteichthyes

Amphibia

23.

Multiple Choice

30 sec

1 pt

The two main groups of Agnathan fish are:

Trout and bass

Eels and lampreys

Lampreys and hagfish

Bass and sunfish

24.

Multiple Choice

30 sec

1 pt

The fish class name "Chondrichthyes" means:

Jawless

Cartilage fish

Bony fish

Large fish

25.

Multiple Choice

30 sec

1 pt

Which of the following fish would NOT belong to Class Chondrichthyes?

Shark

Trout

Skate

Ray

26.

Multiple Choice

30 sec

1 pt

Claspers are used for:

Internal fertilization

External fertilization

27.

Multiple Choice

30 sec

1 pt

Which structure is found in BOTH Class Chondrichthyes (cartilage fish) & Class Osteichthyes (bony fish)?

Lateral line

Swim bladder

Operculum

External gill slits

28.

Multiple Choice

30 sec

1 pt

Which is a characteristic of ALL fish?

Lay eggs

Ectothermic ("Cold-blooded")

Terrestrial

Lungs

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