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1 | |
Animals usually ___________. |
| | A) | are heterotrophic by ingestion |
| | B) | are motile |
| | C) | are multicellular eukaryotes |
| | D) | have diploid adults |
| | E) | all of the above |
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2 | |
Adult animals are haploid. |
| | A) | True |
| | B) | False |
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3 | |
Animals are motile because they have ___________ . |
| | A) | energy |
| | B) | metabolism |
| | C) | nerve and muscle fibers |
| | D) | legs or wings |
| | E) | desire |
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4 | |
Generally, a total of _________ germ layer(s) is seen in most animals, although cnidaria have fewer. |
| | A) | one |
| | B) | two |
| | C) | three |
| | D) | four |
| | E) | five |
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5 | |
Animals with three germ layers have the ______ level of organization. |
| | A) | tissue |
| | B) | cell |
| | C) | organ |
| | D) | organelle |
| | E) | system |
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6 | |
All animals have the same symmetry. |
| | A) | True |
| | B) | False |
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7 | |
Asymmetry means that the animal ___________. |
| | A) | has no particular symmetry |
| | B) | is organized circularly |
| | C) | has definite left and right halves |
| | D) | can reach out in all directions |
| | E) | is deformed |
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8 | |
Which of the following are classification features in animals? |
| | A) | symmetry |
| | B) | cell, tissue or organ level of organization |
| | C) | body plan and type of coelom |
| | D) | segmentation |
| | E) | all of the above |
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9 | |
Which phylum does NOT have a true coelom? |
| | A) | Mollusca |
| | B) | Annelida (segmented worms) |
| | C) | Platyhelminthes (flatworms) |
| | D) | Arthropoda |
| | E) | Chordata |
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10 | |
Which phylum has a true coelom? |
| | A) | Platyhelminthes |
| | B) | Cnidaria |
| | C) | Annelida |
| | D) | all of the above |
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11 | |
______ branched earliest from the evolutionary tree, leading to advanced animals. |
| | A) | Sponges |
| | B) | Mollusks |
| | C) | Flatworms |
| | D) | Roundworms |
| | E) | Annelids |
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12 | |
The body walls of sponges contain ___________. |
| | A) | many pores |
| | B) | epidermal cells |
| | C) | flagellated collar cells |
| | D) | spicules |
| | E) | all of the above |
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13 | |
The __________ of a sponge trap(s) food particles and digest(s) them within food vacuoles. |
| | A) | collar cells or choanocytes |
| | B) | osculum |
| | C) | spicules |
| | D) | spongin |
| | E) | amoeboid cells |
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14 | |
The soft and elastic nature of sponges is provided by the __________. |
| | A) | collar cells or choanocytes |
| | B) | osculum |
| | C) | spicules |
| | D) | spongin fibers |
| | E) | amoeboid cells |
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15 | |
Sponges gain some protection from being eaten by having small needle-shaped structures called ____________ with one to six rays. |
| | A) | collar cells or choanocytes |
| | B) | osculum |
| | C) | spicules |
| | D) | spongin |
| | E) | amoeboid cells |
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16 | |
Glass sponges have spicules made of calcium carbonate. |
| | A) | True |
| | B) | False |
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17 | |
Amoeboid cells in a sponge act as a circulatory device for transporting nutrients from cell to cell. |
| | A) | True |
| | B) | False |
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18 | |
Sponges are ______ filter feeders. |
| | A) | active |
| | B) | poor |
| | C) | terrestrial |
| | D) | occasional |
| | E) | sessile |
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19 | |
Sponges ____________. |
| | A) | reproduce sexually by egg and sperm |
| | B) | are capable of regeneration |
| | C) | reproduce asexually by budding |
| | D) | reproduce asexually by fragmenting |
| | E) | all of the above |
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20 | |
Cnidarians have a ______ body. |
| | A) | flattened solid |
| | B) | delicate elongated |
| | C) | bilaterally-symmetrical |
| | D) | tube-like body plan |
| | E) | radially-symmetrical |
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21 | |
Which of the following is NOT an example of a cnidarian? |
| | A) | jellyfish |
| | B) | flatworm |
| | C) | sea anemone |
| | D) | coral |
| | E) | hydra |
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22 | |
Cnidarians trap prey and protect themselves from predators by using stinging cells housed inside a capsule called a/an ______. |
| | A) | spicule |
| | B) | anemone |
| | C) | nerve net |
| | D) | nematocyst |
| | E) | trichocyst |
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23 | |
Cnidarians have ______. |
| | A) | two body layers essentially identical to sponges |
| | B) | two tissue layers separated by jellylike mesoglea |
| | C) | a three-layered body wall but no coelom |
| | D) | a three-layered body wall and the gastrovascular cavity forms the coelom |
| | E) | one body tissue layer filled with jellylike mesoglea that gives them the name jellyfish |
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24 | |
Reproduction in hydra involves ______. |
| | A) | ovary and testes that produce eggs and sperm |
| | B) | regeneration of a whole organism from a small fragment |
| | C) | pinching off buds when conditions are favorable |
| | D) | all of the above |
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25 | |
Flatworms ______. |
| | A) | are also radially symmetrical |
| | B) | have many segments |
| | C) | are the first organisms to have a flow-through digestive system |
| | D) | have two germ layers with a jelly-like mesoglea between |
| | E) | have a flat body allowing diffusion of gasses without a respiratory system |
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26 | |
Free-living flatworms ______________. |
| | A) | are bilaterally symmetrical |
| | B) | have a well-developed nervous system |
| | C) | have undergone cephalization |
| | D) | all of the above |
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27 | |
All freshwater planarians are colorless. |
| | A) | True |
| | B) | False |
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28 | |
Because planarians live in fresh water, water tends to enter the body by ______. |
| | A) | the pharynx |
| | B) | the flame cells |
| | C) | contractile vacuoles |
| | D) | osmosis |
| | E) | active transport |
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29 | |
The excretory organ(s) of planarians is/are the ______. |
| | A) | pharynx |
| | B) | flame cells |
| | C) | "eyespots" |
| | D) | kidneys |
| | E) | mesoglea |
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30 | |
Which of the following statements regarding planarians is FALSE? |
| | A) | The digestive organ is absent. |
| | B) | The reproductive organs are hermaphroditic. |
| | C) | There is no unique larval stage. |
| | D) | The body wall has ciliated epidermis. |
| | E) | They have a ladder-like nervous system. |
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31 | |
There are two classes of parasitic flatworms. |
| | A) | True |
| | B) | False |
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32 | |
Which of the following statements regarding parasitic flatworms is FALSE? |
| | A) | they absorb nutrients from the digestive tract of the host |
| | B) | they utilize a secondary host to transport the species from primary host to primary host |
| | C) | they cause serious illness in humans |
| | D) | parasitic flatworms have well-developed sensory and nervous systems |
| | E) | they may have unique larval stages |
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33 | |
Blood fluke species live and copulate in the ___________ in humans. |
| | A) | digestive tract |
| | B) | bile |
| | C) | blood |
| | D) | lungs |
| | E) | all of the above can be infected |
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34 | |
When larval flukes burrow into the skin and infest a human, it causes the disease ______ . |
| | A) | malaria |
| | B) | pinworms |
| | C) | trichinosis |
| | D) | elephantiasis |
| | E) | schistosomiasis |
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35 | |
In animals that lack a skeleton, a fluid-filled interior acts as a ______ skeleton. |
| | A) | rigid |
| | B) | hydrostatic |
| | C) | temporary |
| | D) | portable |
| | E) | pseudo- |
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36 | |
The hydrostatic skeleton __________. |
| | A) | offers resistance to contraction of muscles |
| | B) | permits flexibility |
| | C) | allows animal to change its shape |
| | D) | all of the above |
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37 | |
The mucopolysaccharide coating that protects the outer tegument of a fluke is a _________. |
| | A) | scolex |
| | B) | proglottid |
| | C) | hydrostatic skeleton |
| | D) | glycocalyx |
| | E) | cyst |
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38 | |
The long series of segments, each filled with bags of eggs when they mature, is a _________. |
| | A) | scolex |
| | B) | proglottid |
| | C) | hydrostatic skeleton |
| | D) | glycocalyx |
| | E) | cyst |
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39 | |
The small, hard-walled structure in meat that contains a larval tapeworm waiting for the host to be eaten so it can begin its cycle again is a/an _________. |
| | A) | scolex |
| | B) | proglottid |
| | C) | hydrostatic skeleton |
| | D) | glycocalyx |
| | E) | cyst |
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40 | |
Roundworms _________. |
| | A) | are nonsegmented |
| | B) | are generally dark-colored |
| | C) | are generally over 5 cm in length |
| | D) | occur only in the soil |
| | E) | all of the above |
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41 | |
Roundworms possess __________. |
| | A) | a tube-within-a-tube body plan and a body cavity |
| | B) | a rigid calcium skeleton |
| | C) | a complex circulatory system |
| | D) | only two germ layers and are acoelomate |
| | E) | all of the above |
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42 | |
Ascaris females tend to be smaller than males. |
| | A) | True |
| | B) | False |
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43 | |
The movements of Ascaris __________. |
| | A) | are complex, similar to the movements of snakes |
| | B) | are limited since there are no muscles in roundworms |
| | C) | are whiplike because only circular muscles surround the body wall and there are no longitudinal muscles |
| | D) | are whiplike because only longitudinal muscles surround the body wall and there are no circular muscles |
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44 | |
Which is NOT a roundworm infection? |
| | A) | pinworm |
| | B) | elephantiasis |
| | C) | Ascaris |
| | D) | trichinosis |
| | E) | schistosomiasis |
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45 | |
In protostomes __________. |
| | A) | the first embryonic opening becomes the mouth |
| | B) | the coelom forms by splitting of the mesoderm |
| | C) | the trochophore larva is common in many |
| | D) | all of the above |
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46 | |
The body of a mollusk contains a __________. |
| | A) | visceral mass |
| | B) | foot |
| | C) | mantle |
| | D) | all of the above |
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47 | |
Gastropods move by muscle contractions that pass along the foot. |
| | A) | True |
| | B) | False |
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48 | |
The brain of a cephalopod is formed by a fusion of ______. |
| | A) | eye tissue |
| | B) | ganglia |
| | C) | the spinal cord |
| | D) | left and right segments of the nerve ladder |
| | E) | the trochophore |
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49 | |
In contrasting a clam with a squid, which comparison is correct? |
| | A) | Both are active predators. |
| | B) | The slow-moving clam needs an external shell for protection but the squid does not. |
| | C) | Mollusk nervous systems are all rather primitive with clusters of ganglia but no true "brain." |
| | D) | Clams are herbivores while squids are carnivores. |
| | E) | Both have complex closed circulatory systems. |
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50 | |
Gills in clams are composed of thin-walled tissue, specialized for gas exchange, that hang down on either side of the visceral mass. |
| | A) | True |
| | B) | False |
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51 | |
The nervous system of a clam is composed of ____________. |
| | A) | labial palps |
| | B) | an advanced cerebrum |
| | C) | one pair of ganglia |
| | D) | two pairs of ganglia |
| | E) | three pairs of ganglia |
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52 | |
The digestive system of the clam includes ___________. |
| | A) | a mouth |
| | B) | a stomach |
| | C) | an intestine |
| | D) | labial palps |
| | E) | all of the above |
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53 | |
In clams, reproduction usually ______ . |
| | A) | involves hermaphrodites |
| | B) | is asexual |
| | C) | involves separate sexes |
| | D) | avoids the larval stage and produces little clams directly from eggs |
| | E) | involves difficult internal mating (copulation) procedures |
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54 | |
Annelids are the ______ worms. |
| | A) | jointed-legged |
| | B) | flat-bodied |
| | C) | parasitic |
| | D) | acoelomate |
| | E) | segmented |
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55 | |
In annelids, the _________ are tubules that collect waste and excretes it through an opening in the body wall. |
| | A) | ganglia |
| | B) | parapodia |
| | C) | trochophores |
| | D) | setae |
| | E) | nephridia |
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56 | |
In polychaetes, the setae are in bundles on __________, which are paddlelike appendages found on most segments. |
| | A) | ganglia |
| | B) | parapodia |
| | C) | trochophore |
| | D) | septa |
| | E) | nephridium |
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57 | |
In contrast to an earthworm, the Nereis sandworm has __________. |
| | A) | separate sexes |
| | B) | chitinous jaws to help in predation |
| | C) | a well-defined head with eyes and other sense organs |
| | D) | trochophore larvae |
| | E) | all of the above |
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58 | |
Which statement about earthworms is FALSE? |
| | A) | They live in dry soil. |
| | B) | They are not predators. |
| | C) | They feed on leaves or other organic matter. |
| | D) | They draw food into the mouth by a muscular pharynx. |
| | E) | They are hermaphroditic with both sexes on the same organism. |
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59 | |
In the earthworm, each body segment has pairs of setae, which are slender bristles extended to help them pull along through the soil. |
| | A) | True |
| | B) | False |
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60 | |
The earthworm has an extensive open circulatory system. |
| | A) | True |
| | B) | False |
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61 | |
Which statement about earthworms is true? |
| | A) | They are hermaphrodites. |
| | B) | They lack a larval trochophore stage. |
| | C) | There is a reciprocal transfer of sperm between two worms. |
| | D) | Most segments have a pair of nephridia that function to remove wastes. |
| | E) | all of the above are true |
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62 | |
The __________ secretes mucus to protect earthworm sperm from drying out as it passes between worms, and then provides a slime tube that forms a cocoon to protect the young developing worms. |
| | A) | nephridium |
| | B) | chitinous jaw |
| | C) | clitellum |
| | D) | trochophore |
| | E) | parapodium |
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63 | |
Leeches are unique compared to other annelids because leeches have __________. |
| | A) | separate sexes |
| | B) | chitinous jaws to help in parasitism |
| | C) | a blood clotting saliva and two suckers |
| | D) | trochophore larvae |
| | E) | all of the above distinguish leeches from other annelids |
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64 | |
The nervous system of arthropods generally has __________. |
| | A) | a brain |
| | B) | a ventral solid nerve cord |
| | C) | antennae |
| | D) | compound eyes |
| | E) | all of the above |
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65 | |
Arthropods have an open circulatory system. |
| | A) | True |
| | B) | False |
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66 | |
Which of the following is an example of a crustacea? |
| | A) | crayfish |
| | B) | lobsters |
| | C) | shrimp |
| | D) | sowbug |
| | E) | all of the above |
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67 | |
The crayfish has ______ blood. |
| | A) | clear |
| | B) | red |
| | C) | blue |
| | D) | green |
| | E) | white |
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68 | |
Following fertilization of the female crayfish, the eggs are attached to the ______. |
| | A) | substrate of the stream |
| | B) | underside of the male's tail |
| | C) | swimmerets of the female |
| | D) | green glands |
| | E) | pinching claw |
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69 | |
The _________ are anterior to the esophagus and act as "kidneys" to secrete metabolic wastes. |
| | A) | green glands |
| | B) | antennae |
| | C) | gastric mill |
| | D) | hemocoel |
| | E) | swimmerets |
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70 | |
An anterior portion of the crayfish stomach contains the _________, which is equipped with chitinous teeth to grind coarse food. |
| | A) | green glands |
| | B) | gizzard |
| | C) | gastric mill |
| | D) | hemocoel |
| | E) | swimmerets |
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71 | |
______ compose the largest animal group with more species than species of all other living groups combined. |
| | A) | Crustaceans |
| | B) | Annelids |
| | C) | Chordates |
| | D) | Insects |
| | E) | Fish |
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72 | |
The body of the insect has _____ major body segments, _________. |
| | A) | two; a head and cephalothorax |
| | B) | two; a cephalothorax and an abdomen |
| | C) | three; a head, thorax and abdomen |
| | D) | three; cephalothorax, thorax and abdomen |
| | E) | four; head, cephalus, thorax, and abdomen |
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73 | |
Which of the following statements regarding the internal system of the grasshopper is TRUE? |
| | A) | It is adapted for a meat diet. |
| | B) | Digestion is completed in the stomach. |
| | C) | Nutrients are absorbed into the hemocoel from outpockets called Malpighian tubules. |
| | D) | Movement of air is passive through the tracheae. |
| | E) | The heart is a ventral dorsal tube. |
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74 | |
The hemolymph or blood of a grasshopper is colorless. |
| | A) | True |
| | B) | False |
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75 | |
______ means a change, usually a drastic one, in form and physiology. |
| | A) | Oviposition |
| | B) | Metamorphosis |
| | C) | Molting |
| | D) | Cephalization |
| | E) | Endothermy |
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76 | |
Arachnids do NOT include ______. |
| | A) | mites |
| | B) | ticks |
| | C) | pillbugs |
| | D) | spiders |
| | E) | scorpions |
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77 | |
Which of the following is TRUE regarding spider anatomy and physiology? |
| | A) | Spiders breathe by air flowing past book lungs. |
| | B) | Spiders do not swallow food but use digestive juices outside to liquify tissues that are then slurped. |
| | C) | Spiders possess two venom glands in their chelicerae to paralyze prey. |
| | D) | Malpighian tubules function in the excretion of nitrogenous wastes. |
| | E) | All of the above are correct. |
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78 | |
What medical problem(s) is/are caused or vectored by arachnids? |
| | A) | Lyme disease |
| | B) | Rocky Mountain spotted fever |
| | C) | chiggers |
| | D) | poisonous spider bites and scorpion stings |
| | E) | All of the above are medical problems caused by arachnids. |
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