Zoology Exam 3 Review Questions
with Correct Answers
Which class contains clams, oysters, scallops, and shipworms?
A. Class Bivalva
B. Class Scaphopoda
C. Class Gastropoda
D. Class Cephalopoda
E. Class Polyplacophora - Answer-a
Which class is described by the following: all marine, fast swimming predators, have
very well developed eyes, shell reduced or absent.
A. Class Bivalva
B. Class Scaphopoda
C. Class Gastropoda
D. Class Cephalopoda
E. Class Polyplacophora - Answer-d
What is the exception to the shell being reduced or abesent in Cephalapods? -
Answer-Nautilus
Which class contains octopus, squid, and cuttlefish?
A. Class Bivalva
B. Class Scaphopoda
C. Class Gastropoda
D. Class Cephalopoda
E. Class Polyplacophora - Answer-d
Which class has the largest brain of invertebrates?
A. Class Bivalva
B. Class Scaphopoda
C. Class Gastropoda
D. Class Cephalopoda
E. Class Polyplacophora - Answer-d
Which class is capable of associative and observational learning?
A. Class Bivalva
B. Class Scaphopoda
C. Class Gastropoda
D. Class Cephalopoda
E. Class Polyplacophora - Answer-d
, What is responsible for the color change in cephalopods? - Answer-chromatophores
What do cephalopods use color change for? - Answer-Camouflage and to confuse
predators
the middle layer of the shell of a mollusk, consisting of calcite or aragonite. - Answer-
prismatic layer
the iridescent appearance of the pearly inner surface of some molluscan shells
(mother-of-pearl) in which the mineral is laid down in thin, lustrous sheets, each
deposited over a thin, organic matrix - Answer-nacreous layer
What is the visceral mass? - Answer-Internal organs
Where do the anus and gills of gastropods lie? - Answer-above the head
the opening of the mantle cavity of pulmonate gastropods to the outside - Answer-
pneumostome
What do cephalopods use to blind predators? - Answer-ink
What do the male cephalopods transfer spermatophore with? - Answer-hectocotylus
What are some characteristics of the Argonaut/Nautilus Octopus? - Answer-pelagic,
female secretes papery shell to help with buoyancy and hold eggs
occupying or moving through water rather than the underlying substrate - Answer-
pelagic
Which phylum is described by the following? bilateral symmetry, cephalization,
coelomate, protostomes, hydrostatic skeleton
A. Phylum Mollusca
B. Phylum Annelida
C. Phylum Arthropoda
D. Phylum Nematoda - Answer-b
What is another term for segmentation? - Answer-metamerism
What is another term for metamerism? - Answer-segmentation
Which phylum has segmentation?
A. Phylum Mollusca
B. Phylum Annelida
C. Phylum Arthropoda
D. Phylum Nematoda - Answer-b
Which phylum has a compete digestive tract and a closed circulatory system?
with Correct Answers
Which class contains clams, oysters, scallops, and shipworms?
A. Class Bivalva
B. Class Scaphopoda
C. Class Gastropoda
D. Class Cephalopoda
E. Class Polyplacophora - Answer-a
Which class is described by the following: all marine, fast swimming predators, have
very well developed eyes, shell reduced or absent.
A. Class Bivalva
B. Class Scaphopoda
C. Class Gastropoda
D. Class Cephalopoda
E. Class Polyplacophora - Answer-d
What is the exception to the shell being reduced or abesent in Cephalapods? -
Answer-Nautilus
Which class contains octopus, squid, and cuttlefish?
A. Class Bivalva
B. Class Scaphopoda
C. Class Gastropoda
D. Class Cephalopoda
E. Class Polyplacophora - Answer-d
Which class has the largest brain of invertebrates?
A. Class Bivalva
B. Class Scaphopoda
C. Class Gastropoda
D. Class Cephalopoda
E. Class Polyplacophora - Answer-d
Which class is capable of associative and observational learning?
A. Class Bivalva
B. Class Scaphopoda
C. Class Gastropoda
D. Class Cephalopoda
E. Class Polyplacophora - Answer-d
, What is responsible for the color change in cephalopods? - Answer-chromatophores
What do cephalopods use color change for? - Answer-Camouflage and to confuse
predators
the middle layer of the shell of a mollusk, consisting of calcite or aragonite. - Answer-
prismatic layer
the iridescent appearance of the pearly inner surface of some molluscan shells
(mother-of-pearl) in which the mineral is laid down in thin, lustrous sheets, each
deposited over a thin, organic matrix - Answer-nacreous layer
What is the visceral mass? - Answer-Internal organs
Where do the anus and gills of gastropods lie? - Answer-above the head
the opening of the mantle cavity of pulmonate gastropods to the outside - Answer-
pneumostome
What do cephalopods use to blind predators? - Answer-ink
What do the male cephalopods transfer spermatophore with? - Answer-hectocotylus
What are some characteristics of the Argonaut/Nautilus Octopus? - Answer-pelagic,
female secretes papery shell to help with buoyancy and hold eggs
occupying or moving through water rather than the underlying substrate - Answer-
pelagic
Which phylum is described by the following? bilateral symmetry, cephalization,
coelomate, protostomes, hydrostatic skeleton
A. Phylum Mollusca
B. Phylum Annelida
C. Phylum Arthropoda
D. Phylum Nematoda - Answer-b
What is another term for segmentation? - Answer-metamerism
What is another term for metamerism? - Answer-segmentation
Which phylum has segmentation?
A. Phylum Mollusca
B. Phylum Annelida
C. Phylum Arthropoda
D. Phylum Nematoda - Answer-b
Which phylum has a compete digestive tract and a closed circulatory system?
