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Multiple Choice Feedback Quiz
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1

The evolutionary history of animals goes back more than ____ million years.
A)100
B)250
C)400
D)600
2

The sponges have all of the following characteristics except
A)highly specialized cells
B)simple tissues
C)a gel-like matrix
D)cell recognition
3

The outer covering and nervous systems of eumetazoans develop from the
A)ectoderm.
B)endoderm.
C)mesoderm.
D)a combination of all three germ layers.
4

Which one of the following is not a member of the phylum Cnidaria?
A)jellyfish
B)comb jelly
C)hydra
D)sea anemone
5

Cnidarians are
A)asymmetrical
B)bilaterally symmetrical
C)radially symmetrical
D)trisymmetrical
6

A cnidocyte is a specialized cell used for
A)sensing light.
B)digesting food.
C)capturing food.
D)sensing movement.
7

Key evolutionary advances of the solid worms are bilateral symmetry and
A)a coelom.
B)internal organs.
C)a one-way digestive tract.
D)a body cavity.
8

The evolution of an internal body cavity was an important improvement in animal body design in all area except:
A)circulation
B)movement
C)organ function
D)brain development
9

The contact of the mesoderm and endoderm in coelomates allowed for primary induction and the formation of
A)highly specialized organs.
B)a muscular foot for movement.
C)a protective shell.
D)all of the above
10

Which one of the following is not a characteristic shared by all mollusks?
A)a mantle
B)gills
C)a radula
D)a coelom
11

The first segmented animals to evolve were
A)cephalopods.
B)arthropods.
C)echinoderms.
D)annelids.
12

The most successful of all animal groups are the
A)arthropods.
B)annelids.
C)mollusks.
D)echinoderms.
13

Which one of the following is not a characteristic of the arthropods?
A)jointed appendages
B)endoskeleton
C)coelom
D)segmented body
14

Which one of the following is not a crustacean?
A)lobster
B)shrimp
C)horseshoe crab
D)crayfish
15

The largest group of arthropods is the
A)arachnids.
B)crustaceans.
C)insects.
D)millipedes.
16

Echinoderms are most closely related to
A)roundworms.
B)mollusks.
C)arthropods.
D)chordates.
17

A characteristic that distinguishes chordates from other animals is
A)a notochord.
B)a nerve cord.
C)pharyngeal slits.
D)all of the above characteristics distinguish the chordates
18

In the evolutionary stages of the animal body, segmentation developed before internal organs developed.
A)true
B)false
19

Sponges belong to the subkingdom Eumetazoa.
A)true
B)false
20

A jellyfish is an example of a medusa body form.
A)true
B)false
21

Nematodes are animals with a body cavity between the endoderm and the mesoderm.
A)true
B)false
22

All vertebrates have a backbone made of bone tissue.
A)true
B)false
23

Echinoderms use muscles attached to an exoskeleton to move.
A)true
B)false
24

The most abundant of all named animals are chordates.
A)true
B)false
25

Solid worms are pseudocoelomates.
A)true
B)false





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