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Biology 1620 > Final Exam- Part Three > Flashcards

Final Exam- Part Three Flashcards

1
Q

Define: Pulmocutaneous circulation

A

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

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2
Q

What flatworms are non-parasitic?

A

Turbellaria

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3
Q

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

A

anthozoa (anth-human polyp)

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4
Q

Which class of phylum cnidaria includes jellies with rounded medusa?

A

Scyphozoa (Sky-foe-medusa)

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5
Q

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

A

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

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6
Q

How many heart chambers to reptiles have?

A

5

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7
Q

A lophophor is used by ectoprocts and brachiopods for _______

A

Feeding (loaf around)

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8
Q

What members of mollusks undergo embryonic torsion?

A

Gastropods

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9
Q

What class has radula?

A

Gastropods

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10
Q

The heart worm is an example of a:

A

Namatoda

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11
Q

What animals have four-chambered hearts?

A

Mammals, birds, and crocodiles

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12
Q

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

A

Locomotion, feeding, and gas exchange

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13
Q

What do all chordates have?

A

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

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14
Q

Which extant class had the first jaws?

A

Chondrichthyans

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15
Q

What is the most distinctive characteristic of chondrichthyans?

A

Cartilaginous ednoskeleton

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16
Q

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

A

Fresh water environments

17
Q

Name 3 characteristics usually found in ray-finned fish

A

Bony endoskeleton, operculum, and swim bladder

18
Q

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

A

The swim bladder in ray-finned fish

19
Q

Lobe-fin clade does NOT include:

A

Chondricthiyans

20
Q

Hemocyanin is found in _________ hemoglobin is found in _______

A

Arthoropods, mammals

21
Q

T or F: Hemocyanin has a protein couple to copper

22
Q

Most vertebrates have __________ not __________

A

Hemoglobin, hemocyanin

23
Q

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

A

Cretaceous

24
Q

What groups lack nucleated Erythrocytes

A

Mammalians

25
Q

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

Biology 1620 (8 decks)

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