©THESTAR 2024/2025 ALL RIGHTS RESERVED 1:27PM. A+
BIO 1500- Exam 4 Questions And Answers
|Latest 2025 | Guaranteed Pass
1. Centipedes:
a. have a hundred pairs of legs.
b. have venomous fangs.
c. are herbivores.
d. have two pair of legs per segment.
e. love to fetch sticks. - Answer✔b. have venomous fangs
2. The side to side thrashing of a nematode is accomplished by contraction of its circular
muscles.
a. True
b. False - Answer✔b. False
3. Which one of the following incorrectly matches a molluscan structure with its typical
function?
a. mantle—secretion of the shell (when present)
b. visceral mass—houses the gills and the exit openings of the excretory, reproductive &
digestive organs
c. foot—locomotion
d. nephrostome—collection of nitrogenous wastes
e. radula—feeding organ - Answer✔b. visceral mass—houses the gills and the exit openings of
the excretory, reproductive & digestive organs
4. Each segment of an annelid typically contains bristles of chitin called:
a. cilia.
b. parapodia.
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, ©THESTAR 2024/2025 ALL RIGHTS RESERVED 1:27PM. A+
c. chaetae.
d. leglets.
e. hyphae - Answer✔c. chaetae
5. How would an earthworm stretch its body to reach a patch of dirt after crossing a hot
sidewalk?
a. Contraction of the circular muscles
b. Contraction of the longitudinal muscles - Answer✔a. Contraction of the circular muscles
6. In terms of numbers of species, the most successful phylum on the planet is the:
a. Mollusca.
b. Arthropoda.
c. Echinodermata.
d. Annelida.
e. Chordata. - Answer✔b. Arthropoda
7. All fish have internal gills and a single-loop blood circulation, but not all fish have jaws and a
complete vertebral column.
a. True
b. False - Answer✔a. True
8. When a tourist buys a sand dollar, which is an echinoid, at a beach shop, what are they
buying?
a. A calcium carbonate shell secreted from the mantle
b. An endoskeleton of calcium carbonate ossicles
c. A molted exoskeleton made of chitin
d. An endoskeleton made of bone
e. An endoskeleton made of cartilage - Answer✔b. An endoskeleton of calcium carbonate
ossicles
53. Which of the following is NOT true?
a. Dr. Branford has eaten insects before.
b. An inquisitive student named Ron often sits at a table at the front of the lecture hall.
c. Dr. Branford finds some trochophore larvae and axolotls to be cute because they look like
they are smiling.
2|Page
BIO 1500- Exam 4 Questions And Answers
|Latest 2025 | Guaranteed Pass
1. Centipedes:
a. have a hundred pairs of legs.
b. have venomous fangs.
c. are herbivores.
d. have two pair of legs per segment.
e. love to fetch sticks. - Answer✔b. have venomous fangs
2. The side to side thrashing of a nematode is accomplished by contraction of its circular
muscles.
a. True
b. False - Answer✔b. False
3. Which one of the following incorrectly matches a molluscan structure with its typical
function?
a. mantle—secretion of the shell (when present)
b. visceral mass—houses the gills and the exit openings of the excretory, reproductive &
digestive organs
c. foot—locomotion
d. nephrostome—collection of nitrogenous wastes
e. radula—feeding organ - Answer✔b. visceral mass—houses the gills and the exit openings of
the excretory, reproductive & digestive organs
4. Each segment of an annelid typically contains bristles of chitin called:
a. cilia.
b. parapodia.
1|Page
, ©THESTAR 2024/2025 ALL RIGHTS RESERVED 1:27PM. A+
c. chaetae.
d. leglets.
e. hyphae - Answer✔c. chaetae
5. How would an earthworm stretch its body to reach a patch of dirt after crossing a hot
sidewalk?
a. Contraction of the circular muscles
b. Contraction of the longitudinal muscles - Answer✔a. Contraction of the circular muscles
6. In terms of numbers of species, the most successful phylum on the planet is the:
a. Mollusca.
b. Arthropoda.
c. Echinodermata.
d. Annelida.
e. Chordata. - Answer✔b. Arthropoda
7. All fish have internal gills and a single-loop blood circulation, but not all fish have jaws and a
complete vertebral column.
a. True
b. False - Answer✔a. True
8. When a tourist buys a sand dollar, which is an echinoid, at a beach shop, what are they
buying?
a. A calcium carbonate shell secreted from the mantle
b. An endoskeleton of calcium carbonate ossicles
c. A molted exoskeleton made of chitin
d. An endoskeleton made of bone
e. An endoskeleton made of cartilage - Answer✔b. An endoskeleton of calcium carbonate
ossicles
53. Which of the following is NOT true?
a. Dr. Branford has eaten insects before.
b. An inquisitive student named Ron often sits at a table at the front of the lecture hall.
c. Dr. Branford finds some trochophore larvae and axolotls to be cute because they look like
they are smiling.
2|Page
