Biology 111 Exam 3 Questions With Complete Solutions
A brachiopod can be distinguished from a bivalve by the
presence of
A) a distinct head.
B) a digestive system with separate mouth and anus.
C) two hinged shells.
D) suspension feeding.
E) a lophophore. Correct Answers E
A land snail, a clam, and an octopus all share
A) gills.
B) a radula.
C) embryonic torsion.
D) distinct cephalization.
E) a mantle. Correct Answers E
A radula is present in members of which clade(s)?
A) bivalves
B) bivalves, gastropods and chitons
C) chitons, gastropods and cephalopods
D) bivalves and chitons
E) bivalves, gastropods and cephalopods Correct Answers C
A sponge's structural materials (spicules, spongin) are
manufactured by the
A) epidermal cells.
,B) amoebocytes.
C) choanocytes.
D) pore cells. Correct Answers B
A terrestrial animal species is discovered with the following
larval characteristics: exoskeleton, system of tubes for gas
exchange, and modified segmentation. A knowledgeable
zoologist should predict that the adults of this species would also
feature
A) an open circulatory system.
B) parapodia.
C) two pairs of antennae.
D) a sessile lifestyle.
E) eight legs. Correct Answers A
A terrestrial mollusc without a shell belongs to which clade?
A) bivalves
B) chitons
C) gastropods
D) cephalopods Correct Answers C
A unique feature of craniates is _____.
A) a closed circulatory system
B) a vertebral column composed of bone
C) a four-chambered heart
D) the neural crest
E) segmentation Correct Answers D
,All animals can trace their lineage to a common ancestor that
lived in the _____.
A) Devonian
B) Pliocene
C) Cenozoic
D) Neoproterozoic era
E) Jurassic Correct Answers D
Among extant vertebrates, a sheet of muscle called the
diaphragm is found in
A) birds.
B) marsupials.
C) placentals.
D) monotremes.
E) Three of the options listed are correct. Correct Answers E
Among extant vertebrates, a sheet of muscle called the
diaphragm is found in
A) monotremes.
B) marsupials.
C) placentals.
D) birds.
E) Three of the options listed are correct. Correct Answers E
Among the invertebrate phyla, phylum Arthropoda is unique in
possessing members that have
A) segmented bodies.
, B) a cuticle.
C) a ventral nerve cord.
D) wings.
E) open circulation. Correct Answers D
As adults, sea stars _____.
A) exhibit bilateral symmetry
B) exhibit imperfect radial symmetry
C) exhibit perfect radial symmetry
D) exhibit no symmetry
E) lack a digestive system Correct Answers B
At least one of these has been found in all species of eumetazoan
animals studied thus far.
A) Hox
B) Otx
C) FOXP2
D) Dlx
E) more than one of these Correct Answers A
Both animals and fungi are heterotrophic. What distinguishes
animal heterotrophy from fungal heterotrophy is that only
animals derive their nutrition by
A) using enzymes to digest their food.
B) ingesting it.
C) preying on animals.
D) consuming living, rather than dead, prey. Correct Answers B
A brachiopod can be distinguished from a bivalve by the
presence of
A) a distinct head.
B) a digestive system with separate mouth and anus.
C) two hinged shells.
D) suspension feeding.
E) a lophophore. Correct Answers E
A land snail, a clam, and an octopus all share
A) gills.
B) a radula.
C) embryonic torsion.
D) distinct cephalization.
E) a mantle. Correct Answers E
A radula is present in members of which clade(s)?
A) bivalves
B) bivalves, gastropods and chitons
C) chitons, gastropods and cephalopods
D) bivalves and chitons
E) bivalves, gastropods and cephalopods Correct Answers C
A sponge's structural materials (spicules, spongin) are
manufactured by the
A) epidermal cells.
,B) amoebocytes.
C) choanocytes.
D) pore cells. Correct Answers B
A terrestrial animal species is discovered with the following
larval characteristics: exoskeleton, system of tubes for gas
exchange, and modified segmentation. A knowledgeable
zoologist should predict that the adults of this species would also
feature
A) an open circulatory system.
B) parapodia.
C) two pairs of antennae.
D) a sessile lifestyle.
E) eight legs. Correct Answers A
A terrestrial mollusc without a shell belongs to which clade?
A) bivalves
B) chitons
C) gastropods
D) cephalopods Correct Answers C
A unique feature of craniates is _____.
A) a closed circulatory system
B) a vertebral column composed of bone
C) a four-chambered heart
D) the neural crest
E) segmentation Correct Answers D
,All animals can trace their lineage to a common ancestor that
lived in the _____.
A) Devonian
B) Pliocene
C) Cenozoic
D) Neoproterozoic era
E) Jurassic Correct Answers D
Among extant vertebrates, a sheet of muscle called the
diaphragm is found in
A) birds.
B) marsupials.
C) placentals.
D) monotremes.
E) Three of the options listed are correct. Correct Answers E
Among extant vertebrates, a sheet of muscle called the
diaphragm is found in
A) monotremes.
B) marsupials.
C) placentals.
D) birds.
E) Three of the options listed are correct. Correct Answers E
Among the invertebrate phyla, phylum Arthropoda is unique in
possessing members that have
A) segmented bodies.
, B) a cuticle.
C) a ventral nerve cord.
D) wings.
E) open circulation. Correct Answers D
As adults, sea stars _____.
A) exhibit bilateral symmetry
B) exhibit imperfect radial symmetry
C) exhibit perfect radial symmetry
D) exhibit no symmetry
E) lack a digestive system Correct Answers B
At least one of these has been found in all species of eumetazoan
animals studied thus far.
A) Hox
B) Otx
C) FOXP2
D) Dlx
E) more than one of these Correct Answers A
Both animals and fungi are heterotrophic. What distinguishes
animal heterotrophy from fungal heterotrophy is that only
animals derive their nutrition by
A) using enzymes to digest their food.
B) ingesting it.
C) preying on animals.
D) consuming living, rather than dead, prey. Correct Answers B
