BIO 1500 Exam 4 ACTUAL Exam Questions
and CORRECT Answers
Crustacea - CORRECT ANSWER - a large class of arthropods, including crabs, crawfish
and lobsters
Holothuroidea - CORRECT ANSWER - sea cucumbers; "dynamic" marine organism that
respires through its anus
In the adult starfish - CORRECT ANSWER - the contractions of ampullae extend the tube
feet
Which of the following is true?
a. Chordates are most closely related to arthropods.
b. Chordates are protists.
c. All echinoderms are chordates.
d. All chordates have a dorsal notochord at some point in their life.
e. The chordate nerve cord gives rise to muscle. - CORRECT ANSWER - d. All chordates
have a dorsal notochord at some point in their life.
All fish have jaws, internal gills and single-loop blood circulation.
a. True
b. False - CORRECT ANSWER - b. False
Actinopterygii - CORRECT ANSWER - ray-finned fishes; include goldfish and salmon
The lateral line system in fish:
a. releases gas from the swim bladder.
b. detects changes in pressure waves.
,c. protects the gills.
d. produces aromatic amino acids.
e. harvests gases from the blood to fill the swim bladder. - CORRECT ANSWER - b.
detects changes in pressure waves.
Class Anura - CORRECT ANSWER - frogs and toads; "without tail"
Amphibians:
a. evolved from reptiles.
b. lack lungs.
c. lack a ventricular septum.
d. typically live in deserts.
e. have single-loop blood circulation. - CORRECT ANSWER - c. lack a ventricular
septum.
Reptilian ancestors gave rise to:
a. birds, but not mammals.
b. fish and amphibians.
c. birds and mammals.
d. mammals, but not birds.
e. amphibians and birds - CORRECT ANSWER - c. birds and mammals.
The mammalian jaw joint is both a(n) __________ joint and a __________ joint.
a. ball and socket; hinge
b. ball and socket; gliding
c. hamburger; juke
d. immovable; fibrous
e. gliding; hinge - CORRECT ANSWER - e. gliding; hinge
, Which of the following is an advantage of a terrestrial arthropod exoskeleton?
a. Skeletal remodeling
b. Built-in WiFi
c. Water retention
d. No muscle growth in response to usage
e. Molting - CORRECT ANSWER - c. Water retention
Which of the following does NOT have separate systemic and pulmonary circulatory circuits?
a. amphibians
b. fish
c. mammals
d. reptiles
e. birds - CORRECT ANSWER - b. fish
When the mouth of a bony fish is closed, opening the opercula:
a. pushes water over the gills.
b. activates the lateral line system.
c. increases the volume of the mouth cavity.
d. empties the swim bladder.
e. pulls external water in through the gills. - CORRECT ANSWER - a. pushes water over
the gills.
Hagfish - CORRECT ANSWER - Class Myxini
Based on your knowledge of the advantages and disadvantages of a chitinous
exoskeleton, which of the following groups contains most of the largest
arthropods?
and CORRECT Answers
Crustacea - CORRECT ANSWER - a large class of arthropods, including crabs, crawfish
and lobsters
Holothuroidea - CORRECT ANSWER - sea cucumbers; "dynamic" marine organism that
respires through its anus
In the adult starfish - CORRECT ANSWER - the contractions of ampullae extend the tube
feet
Which of the following is true?
a. Chordates are most closely related to arthropods.
b. Chordates are protists.
c. All echinoderms are chordates.
d. All chordates have a dorsal notochord at some point in their life.
e. The chordate nerve cord gives rise to muscle. - CORRECT ANSWER - d. All chordates
have a dorsal notochord at some point in their life.
All fish have jaws, internal gills and single-loop blood circulation.
a. True
b. False - CORRECT ANSWER - b. False
Actinopterygii - CORRECT ANSWER - ray-finned fishes; include goldfish and salmon
The lateral line system in fish:
a. releases gas from the swim bladder.
b. detects changes in pressure waves.
,c. protects the gills.
d. produces aromatic amino acids.
e. harvests gases from the blood to fill the swim bladder. - CORRECT ANSWER - b.
detects changes in pressure waves.
Class Anura - CORRECT ANSWER - frogs and toads; "without tail"
Amphibians:
a. evolved from reptiles.
b. lack lungs.
c. lack a ventricular septum.
d. typically live in deserts.
e. have single-loop blood circulation. - CORRECT ANSWER - c. lack a ventricular
septum.
Reptilian ancestors gave rise to:
a. birds, but not mammals.
b. fish and amphibians.
c. birds and mammals.
d. mammals, but not birds.
e. amphibians and birds - CORRECT ANSWER - c. birds and mammals.
The mammalian jaw joint is both a(n) __________ joint and a __________ joint.
a. ball and socket; hinge
b. ball and socket; gliding
c. hamburger; juke
d. immovable; fibrous
e. gliding; hinge - CORRECT ANSWER - e. gliding; hinge
, Which of the following is an advantage of a terrestrial arthropod exoskeleton?
a. Skeletal remodeling
b. Built-in WiFi
c. Water retention
d. No muscle growth in response to usage
e. Molting - CORRECT ANSWER - c. Water retention
Which of the following does NOT have separate systemic and pulmonary circulatory circuits?
a. amphibians
b. fish
c. mammals
d. reptiles
e. birds - CORRECT ANSWER - b. fish
When the mouth of a bony fish is closed, opening the opercula:
a. pushes water over the gills.
b. activates the lateral line system.
c. increases the volume of the mouth cavity.
d. empties the swim bladder.
e. pulls external water in through the gills. - CORRECT ANSWER - a. pushes water over
the gills.
Hagfish - CORRECT ANSWER - Class Myxini
Based on your knowledge of the advantages and disadvantages of a chitinous
exoskeleton, which of the following groups contains most of the largest
arthropods?
