True/False
Indicate whether the sentence or statement is true
or false.
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1.
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The feature that distinguishes an invertebrate from a vertebrate is the
absence of a notochord.
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2.
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The
vertebrates are not only the best known but also the most numerous, consisting of over 95% of all
described animal species.
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3.
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Sponges only reproduce sexually, but are hermaphroditic.
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4.
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All
cnidarians are radially symmetrical.
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5.
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Members of the phylum annelida are segmented and have a coelom.
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6.
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Members of the phylum echinodermata are bilaterally symmetrical.
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7.
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One
of the key features separating the arthropods from all other animals is the strong external skeleton,
called the endoskeleton.
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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8.
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Which
of the following is not a characteristic of an organism in the animal
kingdom? a. | multicellular | d. | are studied by
zoologists | b. | eukaryotic | e. | are autotrophic | c. | no cell
wall | | | | |
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9.
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How
did the development of a coelom aid animals? a. | aided digestion | b. | aided
respiration | c. | allowed for an increase in surface
area | d. | allowed for more
space for internal organs | e. | none of the above | | |
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10.
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Which
of the following is the best meaning for the word "cephalization"? a. | the
concentration of nerve tissue and receptors at the anterior end of an animal's
body | b. | the
concentration of nerve tissue and receptors at the posterior end of an animals's
body | c. | the presence of
a head | d. | the process of producing a "cephala," as occurs
during the reproduction of a Hydra | e. | none of the above | | |
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11.
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What
major system is missing in members of the phylum porifera? a. | circulatory | d. | respiratory | b. | digestive | e. | reproductive | c. | nervous | | | | |
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12.
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Which
of the following is not a characteristic of a cnidarian? a. | aquatic or
terrestrial habitat | d. | possess true
tissues | b. | radially symmetric | e. | have only ectoderm and endoderm | c. | have
tentacles | | | | |
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13.
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Which
of the following is not true about the phylum platyhelminthes? a. | bilateral
symmetry | d. | digestive system
with two openings | b. | cephalization | e. | rudimentary excretory system | c. | have
mesoderm | | | | |
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14.
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Which
of the following is not true about the nematoda? a. | both free-living
and parasitic species | d. | lack a
respiratory system | b. | have a "blind" digestive
tract | e. | lack a
circulatory system | c. | have a nervous system | | | | |
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15.
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Which
of the following is not true about the annelida? a. | have
segments | d. | have a
circulatory system | b. | include leeches | e. | have an excretory system | c. | possess a
pseudocoelom | | | | |
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16.
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Which
of the following is not a characteristic of a mollusca? a. | lack a
coelom | d. | referred to as
'protostomes' | b. | bilaterally symmetrical | e. | have a head, except for bivalves | c. | similar pattern
of egg development | | | | |
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17.
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What
makes cephalopods different from other mollusca? a. | they lack cephalization | d. | they are dioecious | b. | they lack a
coelom | e. | they are
heterotrophic | c. | they are radially symmetrical | | | | |
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18.
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Which
of the following is not a characteristic of the echinodermata? a. | pentamerous
radial symmetry | b. | referred to as
"deuterostomes" | c. | have a water vascular system | d. | have a true
endoskeleton | e. | have only one opening for
ingestion/egestion | | |
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19.
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Which
of the following is the largest phylum in the animal kingdom? a. | Porifera | d. | Mollusca | b. | Arthropoda | e. | Insecta | c. | Annelida | | | | |
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20.
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In
which one of the following habitats would you not find an arthropod? a. | desert | d. | Arctic
ice | b. | deep
ocean | e. | are found in all
habitats | c. | forest | | | | |
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Matching
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Match each item with the correct statement below concerning the porifera and
cnidaria. a. | Porifera | e. | metamorphosis | b. | Cnidaria | f. | nematocysts | c. | hermaphroditic | g. | polyp | d. | larva | h. | medusa | | | | |
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21.
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stinging capsules that aid in the capture of prey
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22.
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a
series of stages that an organism goes through, from egg to adult
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23.
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a
intermediate form that an organism goes through to achieve its adult form
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24.
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sharing both male and female sex organs
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25.
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animals without tissues
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26.
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sessile stage of a cnidarian
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27.
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means
nettle or stinging hairs
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28.
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motile stage of a cnidarian
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