Biology (Mader), 10th Edition

Chapter 28: Invertebrate Evolution

Post-Test

1
Which of the following does not describe animals?
A)Multicellular
B)Heterotrophic
C)Germ layers
D)Cell walls containing cellulose
2
An animal that has definite right and left halves has _____.
A)asymmetry
B)radial symmetry
C)bilateral symmetry
D)None of these
3
An animal that has an internal body cavity completely lined with mesoderm is called a(n) _____.
A)acoelomate
B)pseudocoelomate
C)true coelomate
4
All animals are believed to have evolved from a _____ ancestor.
A)fungal
B)bacterial
C)protistan
5
Which of the following is a germ layer that may be present during animal development?
A)Ectoderm
B)Endoderm
C)Mesoderm
D)All of the above
6
Mollusks have _____.
A)radial symmetry
B)no body cavity
C)a complete digestive system
D)a tissue level of organization
7
Roundworms have a(n) _____.
A)partially lined body cavity
B)complete digestive tract
C)organ level of organization
D)All of these
8
Humans may get _____ by consuming undercooked pork.
A)tapeworms
B)liver fluke
C)planaria
9
In an insect, nitrogenous waste is excreted into the _____.
A)tracheae
B)digestive tract
C)tympanum
10
The limbs of a person with ____________ may swell to an enormous size because of a roundworm infection which blocks the lymphatic vessels.
A)trichinosis
B)elephantiasis
C)liver flukes
11
Parasitic flatworms are characterized by _____.
A)hooks and suckers for attachment to the host
B)extensive development of the reproductive organs
C)a tegument to protect them from the hosts' digestive juices
D)All of the above
12
The sand dollar and sea urchin use their spines for ______.
A)locomotion
B)defense
C)burrowing
D)All of these
13
The excretory organ of a planarian _____.
A)functions in osmotic regulation
B)excretes water
C)is called a flame-cell system
D)All of these
14
Which of the following is incorrectly matched?
A)sponges - no tissues
B)cnidaria - gastrovascular cavity
C)free-living flatworm - hooks and suckers
D)ribbon worm - tube within a tube
15
Which of the following correctly describes hydra?
A)colonial
B)fresh-water dweller
C)immobile
D)medusa body form
16
The ________ is the primary stage of development in the true jellyfishes.
A)polyp
B)medusa
C)sea anemones
D)None of these
17
A function of the choanocytes is _____.
A)coordination of cellular activity
B)digestion of food particles obtained from the water
C)capture of prey
D)All of these
18
Spiders' _____ perform gas exchange for them.
A)gills
B)malphigian tubules
C)crop
D)book lungs
19
Arthropods are characterized by _____.
A)jointed appendages
B)a muscular foot
C)cnidocytes which capture prey
D)All of these
20
Mucus which prevents the sperm from drying out as it is passed between earthworms is secreted by the _____.
A)crop
B)nephridium
C)clitellum
D)setae
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