Unit #8 Quiz #2: 2012-2013

Grade:«12th»

Subject:Aquatic Science

Date:«2/28/2013»

1 The tiger shark has which type of caudal fin:

A homocercal

B heterocercal

C dorsal prominent

D ventral prominent

2 Which of the following is NOT a characteristic of Chimeras

A They are pelagic hunters

B They have 6 teeth that are permanent and used for grinding shelled inverts

C They have only a single gill slit

D They have fewer organs than a shark or a ray.

3 The amplified lateral line on a shark is able to detect changes in water movement up to ___________ away

A 1 meter

B 10 meters away

C 50 meters away

D 100 meters away

4 A spiracle on a sting ray is located

A near the nostrils

B behind the eyes

C in the middle of the back

D directly anterior of the caudal fin/tail

5 Chondrichthyes use which of the following to help with bouyancy.

A oil-filled liver

B gas bladder

C swim bladder

D blubber

6 Which of the following does NOT shed many teeth in its lifetime

A Tiger Shark

B Manta Ray

C Chimera

D Great White Shark

7 The majority of chondrichthyes reproduce through

A oviparity

B viviparity

C cannibalistic vivipary

D placental vivipary

8 "Chondrichthyes" means

A "bone" "fish"

B "aggressive" "fish"

C "cartilage" "fish"

D "hollow" "fish"

9 Which of the following is an analogous structure when considering the oil-filled liver of a chondrichthyes:

A the lateral line in ray-finned fish

B the thick pectoral fins of lobe-finned fish

C the swim/gas bladder of ray-finned fish

D the poisonous spinous dorsal fin of a ray-finned fish

10 Ampullae of Lorenzini detects

A chemicals

B electric fields

C pressure

D temperature changes

11 Which of the following forms of gestation does NOT involve an egg:

A Uterine vivipary

B Oviparity

C Yolk-sac vivipary

D Both B & C

12 Many sharks must constantly move so that they can continually wash oxygenated water over their gills. These sharks have which of the following respiratory systems:

A Two Pump

B Ram Ventilation

C Spiracles

D Lobed Lungs

13 Cetaceans (dolphins/whales) look a lot like chondrichthyes, these similar structures are

A homologous

B evolutionary

C analogous

D caudal fins

14 Chondrichthyes have ______________ scales.

A Placoid

B Ganoid

C cycloid

D ctenoid

15 Which of the following is NOT associated with the visual system of chondrichthyes:

A The visual systems are well developed for hunting at night

B The tapetum lucidum amplifies limited light by reflecting the incoming light throughout the eye

C The nictitating membrane functions as a transparent 3rd eye lid for additional protection & clearing debris

D The Ampullae of Lorenzini assists in the detection oflight particles during times of limitedlight & cloudy water