Final Exam- Part Three

Question 1

Define: Pulmocutaneous circulation

Answer 1

The branch of circulatory system that supplies the lungs and skin: amphibians/Frogs

Question 2

What flatworms are non-parasitic?

Answer 2

Turbellaria

Question 3

The members of which class of cnidaria occur ONLY as polyps?

Answer 3

anthozoa (anth-human polyp)

Question 4

Which class of phylum cnidaria includes jellies with rounded medusa?

Answer 4

Scyphozoa (Sky-foe-medusa)

Question 5

What are the side-effects of a tapeworm infection and how is it contracted?

Answer 5

Fatigue, weight loss, smalls white speres in feces. Raw meat. (cured by niclosamide)

Question 6

How many heart chambers to reptiles have?

Answer 6

5

Question 7

A lophophor is used by ectoprocts and brachiopods for _______

Answer 7

Feeding (loaf around)

Question 8

What members of mollusks undergo embryonic torsion?

Answer 8

Gastropods

Question 9

What class has radula?

Answer 9

Gastropods

Question 10

The heart worm is an example of a:

Answer 10

Namatoda

Question 11

What animals have four-chambered hearts?

Answer 11

Mammals, birds, and crocodiles

Question 12

The water vascular system of echinoderms is used for what 3 purposes?

Answer 12

Locomotion, feeding, and gas exchange

Question 13

What do all chordates have?

Answer 13

Dorsal hollow nerve cord, post-anal tail, pharyngeal clefts, notochord

Question 14

Which extant class had the first jaws?

Answer 14

Chondrichthyans

Question 15

What is the most distinctive characteristic of chondrichthyans?

Answer 15

Cartilaginous ednoskeleton

Question 16

In what environment did ray-finned fish originally evolve from?

Answer 16

Fresh water environments

Question 17

Name 3 characteristics usually found in ray-finned fish

Answer 17

Bony endoskeleton, operculum, and swim bladder

Question 18

What was most likely modified from simple lungs in freshwater fishes?

Answer 18

The swim bladder in ray-finned fish

Question 19

Lobe-fin clade does NOT include:

Answer 19

Chondricthiyans

Question 20

Hemocyanin is found in _________ hemoglobin is found in _______

Answer 20

Arthoropods, mammals

Question 21

T or F: Hemocyanin has a protein couple to copper

Answer 21

T

Question 22

Most vertebrates have __________ not __________

Answer 22

Hemoglobin, hemocyanin

Question 23

Most dinosaurs and pterosarus become extinct at the close of the _________ era

Answer 23

Cretaceous

Question 24

What groups lack nucleated Erythrocytes

Answer 24

Mammalians

Question 25

During counter current exchange of gasses, what percent of oxygen is present in the oxygenated blood that is returned to the body?

Answer 25

80-90%