BIO 1500 Exam 4 Questions and
Answers 100% Pass
Crustacea - ✔✔a large class of arthropods, including crabs, crawfish and lobsters
Holothuroidea - ✔✔sea cucumbers; "dynamic" marine organism that respires through
its anus
In the adult starfish - ✔✔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. - ✔✔d. All chordates have a dorsal
notochord at some point in their life.
All fish have jaws, internal gills and single-loop blood circulation.
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,a. True
b. False - ✔✔b. False
Actinopterygii - ✔✔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. - ✔✔b. detects changes in
pressure waves.
Class Anura - ✔✔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. - ✔✔c. lack a ventricular septum.
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,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 - ✔✔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 - ✔✔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
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, e. Molting - ✔✔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 - ✔✔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. - ✔✔a. pushes water over the gills.
Hagfish - ✔✔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
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Answers 100% Pass
Crustacea - ✔✔a large class of arthropods, including crabs, crawfish and lobsters
Holothuroidea - ✔✔sea cucumbers; "dynamic" marine organism that respires through
its anus
In the adult starfish - ✔✔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. - ✔✔d. All chordates have a dorsal
notochord at some point in their life.
All fish have jaws, internal gills and single-loop blood circulation.
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 1
,a. True
b. False - ✔✔b. False
Actinopterygii - ✔✔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. - ✔✔b. detects changes in
pressure waves.
Class Anura - ✔✔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. - ✔✔c. lack a ventricular septum.
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 2
,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 - ✔✔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 - ✔✔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
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 3
, e. Molting - ✔✔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 - ✔✔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. - ✔✔a. pushes water over the gills.
Hagfish - ✔✔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
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 4
