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1 | |
Members of the vertebrate class _____________ include the hagfishes. |
| | A) | Myxini |
| | B) | Cephalaspidomorphi |
| | C) | Placodermi |
| | D) | Chondrichthyes |
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2 | |
Members of the vertebrate class ____________ include the sharks, skates, and rays. |
| | A) | Myxini |
| | B) | Cephalaspidomorphi |
| | C) | Placodermi |
| | D) | Chondrichthyes |
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3 | |
The class ___________ is made of two subclasses: Actinopterygii (the ray-finned fishes) and Sarcopterygii (the lobe-finned fishes). |
| | A) | Myxini |
| | B) | Cephalaspidomorphi |
| | C) | Chondrichthyes |
| | D) | Osteichthyes |
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4 | |
Ammocoete larvae would be found |
| | A) | as planktonic inhabitants of the open ocean. |
| | B) | partially buried, filter feeding in coastal waters. |
| | C) | partially buried, filter feeding in a freshwater stream or river. |
| | D) | attached to a host fish. |
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5 | |
Adult members of the class Myxini |
| | A) | are predators of fish. |
| | B) | are scavengers, feeding on dead and dying fish. |
| | C) | feed on algae attached to rocks and other substrates. |
| | D) | are filter feeders. |
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6 | |
Members of which of the following vertebrate subclasses is believed to have given rise to ancient amphibians? |
| | A) | Actinopterygii |
| | B) | Sarcopterygii |
| | C) | Elasmobranchii |
| | D) | Holocephali |
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7 | |
A vascular network that allows gases to move from the blood stream into a fish's swim bladder is called the |
| | A) | pneumatic duct. |
| | B) | ovale. |
| | C) | rete mirabile. |
| | D) | glomerulus. |
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8 | |
Gases are reabsorbed into the blood stream from a swim bladder at the |
| | A) | pneumatic duct. |
| | B) | ovale. |
| | C) | rete mirabile. |
| | D) | glomerulus. |
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9 | |
The lateral line system may function in all of the following except one. Select the exception. |
| | A) | detecting water currents |
| | B) | detecting predators or prey that may be causing water movements |
| | C) | buoyancy regulation |
| | D) | detecting low-frequency sounds |
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10 | |
Blood flows from the conus ateriosus of the heart of a fish toward the |
| | A) | gills. |
| | B) | ventricle. |
| | C) | kidneys. |
| | D) | tail. |
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11 | |
All of the following are adaptations of freshwater fish for osmoregulation except one. Select the exception. |
| | A) | excreting hypotonic urine |
| | B) | actively transporting salts out of the blood at the gills |
| | C) | not drinking water |
| | D) | nephrons with large glomeruli and short tubule systems |
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12 | |
Most fishes excrete ______ as the primary nitrogenous byproduct of protein metabolism. |
| | A) | ammonia |
| | B) | urea |
| | C) | uric acid |
| | D) | creatine |
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13 | |
Diadromous fishes |
| | A) | live in murky environments and often rely on electroreception to detect objects in their environment. |
| | B) | possess both lungs and gills. |
| | C) | are open ocean fishes that force water over their gills through ram ventilation. |
| | D) | migrate between freshwater and marine environments. |
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14 | |
___________ are thought to be a part of the evolutionary lineage leading to terrestrial vertebrates. |
| | A) | Osteoleptifom fishes |
| | B) | Lungfishes |
| | C) | Elasmobranchii |
| | D) | Actinopterygii |
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15 | |
Members of the subphylum Vertebrata include all of the following except one. Select the exception. |
| | A) | Hagfishes |
| | B) | Cartilaginous fishes |
| | C) | Ostracoderms |
| | D) | Bony fishes |
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16 | |
Gnathostomata is a monophyletic grouping and includes all of the following except one. Select the exception. |
| | A) | Lampreys |
| | B) | Cartilaginous fishes |
| | C) | Bony fishes |
| | D) | Tetrapods |
| | E) | Placoderms |
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17 | |
Blood and water move in opposite directions on either side of a gill lamellar epithelium. This movement provides very efficient gas exchange between blood and water and is called a countercurrent exchange mechanism. |
| | A) | True |
| | B) | False |
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18 | |
Sharks, skates, and rays regulate buoyancy using a swim bladder with a pneumatic duct connected to the esophagus. |
| | A) | True |
| | B) | False |
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19 | |
All members of the class Chondrichthyes possess placoid scales and lack an operculum. |
| | A) | True |
| | B) | False |
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20 | |
Lungfishes are probably the direct ancestors of the terrestrial vertebrates, according to recent evidence. |
| | A) | True |
| | B) | False |
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21 | |
Blood flows through the heart of a fish in the following sequence: conus arteriosus, ventricle, atrium, sinus venosus, ventral aorta. |
| | A) | True |
| | B) | False |
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22 | |
All fishes have a heart with a single, undivided ventricle and a single, undivided atrium. |
| | A) | True |
| | B) | False |
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23 | |
Some elasmobranchs and open ocean fishes force water over their gills by holding their mouth open while swimming. This method of gill ventilation is called ram ventilation. |
| | A) | True |
| | B) | False |
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24 | |
Most zoologists believe that swim bladders, like those found in modern bony fishes, were the forerunner of lungs. |
| | A) | True |
| | B) | False |
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25 | |
The tissues of a shark are isosmotic with seawater because of the accumulation of urea in body tissues. |
| | A) | True |
| | B) | False |
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