True/False
Indicate whether the
statement is true or false.
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1.
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(2 points) Arthropods are divided into subphyla
based on the size of the animals.
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2.
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(2 points) Members of the phylum Arthropoda have
open circulatory systems.
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3.
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(2 points) Each body segment of an arthropod has a
set of nephridia.
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4.
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(2 points) Most arthropods have well-developed
lungs.
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5.
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(2 points) Arthropods grow through the process of
accretion.
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6.
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(2 points) The anatomy of spiders and insects is
essentially identical.
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7.
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(2 points) Horseshoe crabs belong to the same
subphylum as spiders and mites.
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8.
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(2 points) Like insects, arachnids have three body
parts.
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9.
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(2 points) Most arachnids are herbivores.
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10.
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(2 points) Arachnids have large, powerful jaws that
enable them to capture and hold prey.
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11.
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(2 points) Pedipalps enable arachnids to capture and
hold prey.
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12.
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(2 points) The pedipalps of the brown recluse spider
are used to capture and hold prey.
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13.
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(2 points) Air enters the book lungs of the brown
recluse spider through slits on the top side of the spider’s abdomen.
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14.
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(2 points) The brown recluse spider gives birth to
live young.
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15.
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(2 points) The head, thorax, and abdomen of a
scorpion are fused into a single, unsegmented body.
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16.
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(2 points) Scorpions, spiders, and mites are
evolutionarily linked by the presence of chelicerae and pedipalps.
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17.
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(2 points) Unlike spiders and scorpions, some mites
are herbivorous.
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18.
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(2 points) All spider bites pose a greater health
risk to humans than do tick bites.
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19.
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(2 points) More than 50 percent of all named animal
species are insects.
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20.
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(2 points) Insects were the first animals to evolve
wings.
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21.
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(2 points) The bodies of all insects are made up of
three sections.
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22.
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(2 points) All insects have wings.
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23.
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(2 points) In insects, the thorax houses the heart
and the respiratory organs.
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24.
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(2 points) Butterflies undergo incomplete
metamorphosis.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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25.
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(2 points) Refer to the illustration above.
Mandibles are attached to the structure labeled
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26.
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(2 points) A similarity between annelids and
arthropods is that they both have
a. | exoskeletons made of chitin. | c. | segmented body
patterns. | b. | the ability to fly. | d. | well-developed lungs for respiration. |
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27.
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(2 points) Evolutionary origin of arthropod
circulatory system : mollusks ::
a. | annelid evolution : arthropods | b. | annelid evolution :
trilobite | c. | evolution of arthropod segmentation : annelids | d. | evolution of
arthropod segmentation : mollusks |
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28.
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(2 points) Spiders, scorpions, and mites belong to
the subphylum
a. | Arthropoda. | c. | Chordata. | b. | Crustacea. | d. | Chelicerata. |
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29.
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(2 points) All of the following are arthropods
except
a. | spiders. | c. | crabs. | b. | clam worms. | d. | centipedes. |
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30.
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(2 points) arthropod exoskeleton : muscle attachment
::
a. | antennae : walking or flying | b. | mouthparts : flying or
walking | c. | arthropod appendages : walking or chewing | d. | arthropod muscles :
impeding water loss |
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31.
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(2 points) The exoskeleton of an insect
a. | does not have any muscles attached to it. | b. | is moved by muscles
that are attached to the inside of the exoskeleton. | c. | is thickest where the joints of the appendages
are located. | d. | is moved only by muscles attached to the wings. |
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32.
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(2 points) Jointed appendages of arthropods
may
a. | become specialized for particular functions. | b. | function in
locomotion. | c. | function in feeding. | d. | All of the
above |
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33.
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(2 points) To grow larger, arthropods must
a. | grow a new endoskeleton. | c. | add to the old
endoskeleton. | b. | grow a new exoskeleton. | d. | add to the old exoskeleton. |
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34.
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(2 points) Directly behind the chelicerae, spiders
have a pair of appendages called the
a. | antennae. | c. | pedipalps. | b. | walking legs. | d. | spinnerets. |
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35.
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(2 points) The appendages that scorpions and spiders
use to capture and handle their prey are called
a. | diptera. | c. | pedipalps. | b. | walking legs. | d. | uropods. |
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36.
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(2 points) Spiders typically have
a. | three body segments and six legs. | c. | two body segments and eight
legs. | b. | two body segments and four legs. | d. | None of the
above |
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37.
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(2 points) The structures used by spiders to produce
silk are called
a. | mouthparts. | c. | spinnerets. | b. | pedipalps. | d. | silk nozzles. |
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38.
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(2 points) spiders : subphylum Chelicerata ::
a. | scorpions : subphylum Crustacea | c. | insects : subphylum
Crustacea | b. | millipedes : subphylum Crustacea | d. | lobsters : subphylum
Crustacea |
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39.
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(2 points) The excretory system of the brown recluse
spider is composed of units called
a. | digestive glands. | c. | Malpighian tubules. | b. | poison glands. | d. | cephalothorax. |
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40.
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(2 points) In the brown recluse spider, the heart is
located in the
a. | abdomen. | c. | midgut. | b. | cephalothorax. | d. | chelicera. |
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41.
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(2 points) arachnid’s second pair of
appendages : pedipalps ::
a. | arachnid’s legs : pincers | b. | arachnid’s first pair of appendages :
walking legs | c. | spider’s first pair of appendages : chelicerae | d. | spider’s fangs
: pedipalps |
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42.
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(2 points) Most insects
a. | have two pairs of wings and two pairs of legs. | b. | have one set of
wings and six pairs of legs. | c. | cannot fly. | d. | have two pairs of
wings and three pairs of legs. |
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43.
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(2 points) Centipedes
a. | have one pair of legs per segment and are herbivores. | b. | have two pairs of
legs per segment and are carnivores. | c. | have two pairs of legs per segment and eat
herbivores. | d. | have one pair of legs per segment and are carnivores. |
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44.
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(2 points) Most millipedes feed on
a. | decayed plants. | c. | crustaceans. | b. | insects. | d. | spiders. |
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45.
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(2 points) Refer to the illustration above. “A
flattened, paddle-like appendage” best describes the structure labeled
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46.
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(2 points) Refer to the illustration above. The
structure labeled C is the
a. | cephalothorax. | c. | abdomen. | b. | tail spine. | d. | gill case. |
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47.
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(2 points) Refer to the illustration above. The
structure labeled B is covered on top by a shield called the
a. | nauplius. | c. | thorax. | b. | carapace. | d. | ossicle. |
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48.
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(2 points) Refer to the illustration above. The
organism shown is a(n)
a. | insect. | c. | crustacean. | b. | chelicerate. | d. | nymph. |
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49.
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(2 points) Crabs, lobsters, shrimp, and barnacles
are members of the subphylum
a. | Diptera. | c. | Crustacea. | b. | Centipeda. | d. | Arachnida. |
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50.
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(2 points) Shrimps, lobsters, and crabs are examples
of
a. | uropods. | c. | hemipods. | b. | copepods. | d. | decapods. |
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