Animal Classification/Diversity Formative Quiz - Phyla and Classes
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Which one of the following animals is a deuterostome?
A) echinoderm
B) annelid
C) cnidarian
D) arthropod
E) mollusc
2) Animals that are segmented and have jointed appendages and a chitinous exoskeleton are members of the
phylum
A) Mollusca.
B) Annelida.
C) Platyhelminthes.
D) Arthropoda.
E) Cnidaria.
3) Which one of the following is not a characteristic of annelids?
A) segmentation
B) a closed circulatory system
C) an anus
D) a pseudocoelom
E) habitat includes marine, freshwater, and damp soil
4) A bilaterally symmetrical, wormlike animal that has a pseudocoelom, a complete digestive tract, and a cuticle
could be a member of which one of the following phyla?
A) Annelida
B) Cnidaria
C) Chordata
D) Platyhelminthes
E) Nematoda
5) Which one of the following is not a characteristic of cnidarians?
A) The more stationary cnidarian body type, which is cylindrical with a ring of tentacles, is the polyp.
B) Cnidarians are named for their special stinging cells called cnidocytes.
C) Cnidarians have three true tissue layers.
D) The cnidarian body type that is able to move about freely in the water is a medusa.
E) The digestive compartment of cnidarians is called the gastrovascular cavity.
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6) Which one of the following animals is radially symmetrical?
A) a flatworm
B) a roundworm
C) an alligator
D) a jellyfish
E) a lobster
7) What is one way that sponges differ from other animals?
A) Most have no body symmetry.
B) They are eukaryotes.
C) They reproduce asexually.
D) They move very slowly.
8) Which is a true statement about a bilaterally symmetrical animal?
A) It has stationary characteristics.
B) It has no posterior.
C) It has sense organs at its posterior end.
D) It has sense organs at its anterior end.
9) What is the fully lined body cavity formed by the mesoderm of some animals called?
A) coelom
B) endoskeleton
C) coelomate
D) protostome
C) mollusks
D) flatworms
10) Which of these animals do not have a coelom?
A) annelids
B) vertebrates
11) Which of the following is a flagellated cell which sweeps water through a sponge's body?
A) choanocyte
B) archaeocyte
C) amoebocyte
D) neuron
E) chondrocyte
12) Which of the following is unique to chordates?
A) a complete digestive tract including an anus
B) a coelom
C) a notochord
D) segmentation
E) bilateral symmetry
13) Which of the following statements about tunicates indicates that these animals are chordates and not anything
else?
A) Larvae and adults both have a true coelom.
B) Larvae have a dorsal hollow nerve cord, a postanal tail, pharyngeal slits, and a notochord.
C) Larvae show segmentation, radial symmetry, and a pseudocoelom.
D) Larvae and adults both feed by filtering water and trapping small food particles.
E) None of the choices are correct.
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14) Which of the following is characteristic of vertebrates?
A) a backbone consisting of vertebrae and four legs
B) a skull and a backbone consisting of vertebrae
C) a skeleton made of bone and four legs
D) a backbone consisting of vertebrae and a jaw
E) four legs and a jaw
15) Agnathans differ from other fishes in which of the following ways?
A) They lack paired fins.
B) They lack an endoskeleton.
C) They lack a backbone.
D) They lack jaws.
E) They lack jaws and they lack paired fins.
16) Which one of the following is not a characteristic of ray-finned osteichthyan fishes?
A) flattened scales covering the skin
B) hinged jaw
C) a swim bladder
D) a lateral line system
E) a flexible skeleton made of cartilage
17) Which one of the following is the key derived (un-shared) character of the lobe-finned osteichthyan fish?
A) flattened scales covering the skin
B) three pairs of bones in their lower jaw
C) a series of rod-shaped bones in their fins
D) a row of cartilaginous elements along the ventral midline
E) an operculum
18) Which of the following adaptations allowed reptiles to complete their life cycles on land?
A) an amniotic egg
B) lungs
C) four legs
D) pack behavior
E) endothermic metabolism
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19) Which one of the following is not a characteristic of modern birds?
A) amniotic eggs
B) light bones with a honeycombed structure
C) tail with only a few small vertebrae
D) teeth
E) feathers with hollow shafts
20) Which of the following represents invertebrate chordates?
A) lancelets
B) sharks
C) snakes
D) lampreys
E) There are no invertebrate chordates. All chordates are vertebrates.
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