Zoology
Mock Exam
Course Introduction
Zoology is the scientific study of animals, exploring their anatomy, physiology, classification, evolution, behavior, and ecological interactions. This course covers the diversity of animal life, from simple invertebrates to complex vertebrates, and examines how animals adapt to their environments and interact within ecosystems. Through lectures, laboratory work, and field studies, students will gain a comprehensive understanding of animal biology, evolutionary relationships, and the role of animals in the natural world. Additionally, the course introduces modern zoological methods and highlights the significance of conservation and biodiversity in sustaining healthy ecosystems.
Recommended Textbook
Animal Diversity 7th Edition by Cleveland P Hickman
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20 Chapters
913 Verified Questions
913 Flashcards
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Page 2
Chapter 1: Science of Zoology and Evolution of Animal Diversity
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47 Verified Questions
47 Flashcards
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Sample Questions
Q1) Macroevolutionary studies address large-scale changes in the frequencies of different allelic forms of genes in natural populations.
A)True
B)False
Answer: False
Q2) The term that Darwin used to describe the differential propagation of traits that are favorable for obtaining mates,although not necessarily for survival,is _____________.
Answer: sexual selection
Q3) The most direct evidence for Darwin's theory of perpetual change is the fossil record.
A)True
B)False
Answer: True
Q4) Recurring mutation is the ultimate source of variation in natural populations,but it is usually not sufficient by itself to promote significant evolutionary change.
A)True
B)False
Answer: True
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Chapter 2: Animal Ecology
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44 Verified Questions
44 Flashcards
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Sample Questions
Q1) A species that when removed from a community changes the structure of the community is called a ____________ species.
Answer: keystone
Q2) Producers in deep sea thermal vent communities are
A)fish.
B)giant pogonophoran worms.
C)deep sea kelp.
D)chemoautotrophic bacteria.
Answer: D
Q3) A species with a large geographic range would have a _______ average extinction rate than a species with a small geographic range.
Answer: lower or smaller
Q4) A frog is found along the edge of a pond.This location where it lives would be the frog's niche.
A)True
B)False
Answer: False
Q5) Almost all life depends on the energy of the _______. Answer: sun
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Chapter 3: Animal Architecture
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44 Flashcards
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Sample Questions
Q1) The simplest animals are at the cellular grade of organization.
A)True
B)False
Answer: True
Q2) Heart muscle is a type of nonstriated muscle.
A)True
B)False
Answer: False
Q3) A variety of non-nervous cells that insulate neurons and serve various supportive functions is ___________________.
Answer: neuroglia
Q4) The Metazoa consists of all multicellular animals except Porifera.
A)True
B)False
Answer: False
Q5) The word 'Protostome' refers to "anus first".
A)True
B)False
Answer: False
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Chapter 4: Taxonomy and Phylogeny of Animals
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40 Verified Questions
40 Flashcards
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Sample Questions
Q1) To a cladist,the statement that molluscs evolved from roundworms implies:
A)These groups are not monophyletic.
B)These groups are paraphyletic.
C)Molluscs evolved from an ancestral group from which it did not belong.
D)all of the above
Q2) Unlike ancestral character states,variant forms of characters that arose later within the group are named ____________ character states.
Q3) Character similarity that results from common ancestry is called _______________.
Q4) The method that we use to determine which state of a character is ancestral and which are derived is called ____________.
Q5) Evolutionary taxonomy places Hominidae as a family separate from Pongidae because
A)they do share the same adaptive zone.
B)they are a different grade of organization.
C)they have entered a new adaptive zone,but not through a fundamental change in structure and behavior.
D)none of the above
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Chapter 5: Unicellular Eukaryotes
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Sample Questions
Q1) Malaria is transmitted by __________,which inject (name the stage)_____________ when they bite.
Q2) The division of labor and specialization of organelles are carried furthest by which of the following protozoan groups?
A)Phylum Chlorophyta
B)Phylum Ciliophora
C)Phylum Apicomplexa
D)Phylum Dinoflagellata
Q3) During conjugation
A)haploid micronuclei are exchanged.
B)macronuclei are formed.
C)binary fission occurs.
D)the micronuclei disappear.
Q4) The best fossils of protists have been left by the tests of the radiolarians (Actinopodans)and the foraminiferans (Granuloreticulosans).
Multiple Choice Questions
A)True
B)False
Q5) A holozoic protozoan ingests food particles by the process of
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Chapter 6: Sponges: Phylum Porifera
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29 Flashcards
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Sample Questions
Q1) All digestion in sponges is intracellular and is carried out by the
Q2) The adaptive radiation of sponges is mainly due to:
A)an increase in body size
B)cell differentiation for various functions
C)a unique water current system
D)none of the above
Fill in the Blank Questions
Q3) Internal buds of some species of freshwater sponges that can withstand adverse conditions are _____________________.
Q4) Multicellularity leads to larger body size because
A)most metabolic exchanges occur within the cell.
B)building a mass with smaller units decreases the surface area for metabolic activities.
C)it is possible to maintain a workable surface-to-mass ratio by increasing the size of a single cell.
D)none of the above
Q5) Lophocytes are ameboid cells that can differentiate into all other cell types.
A)True
B)False
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Chapter 7: Cnidarians and Ctenophores
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48 Flashcards
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Sample Questions
Q1) The nematocyst is enclosed within the cell that secreted it,called a
Q2) The long threadlike structures that help to overcome prey and provide defense in sea anemones are called _______________.
Q3) Sea anemones and corals lack
A)a sexual stage.
B)an asexual stage.
C)a polyp stage.
D)a medusa stage.
Q4) Reef-building corals have mutualistic algal cells in their tissues called A)coralline algae.
B)zooxanthellae.
C)kelp.
D)Euglena.
Q5) Ctenophores capture prey by use of A)nematocysts.
B)collenchyme.
C)colloblasts.
D)statocysts.
Q6) Ctenophores are propelled by eight plates bearing long,fused ____________.
Page 9
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Chapter 8: Acoelomorpha, Platyzoa, and Mesozoa:
Flatworms, Gastrotrichs, Gnathiferans, and Mesozoans
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56 Verified Questions
56 Flashcards
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Sample Questions
Q1) The monogenetic flukes
A)are mostly ectoparasites of fish.
B)are usually found in rabbits.
C)require an intermediate and a definitive host.
D)all of these
Q2) Most monogeneans are external parasites of ______________.
Q3) Most individual turbellarians contain organs of both sexes and are thus termed _____________.
Q4) Two distinctive features of Acanthocephala are a spiny proboscis and a _______________ system.
Q5) Gnathostomulids might most typically be found
A)between sand grains in the ocean bottom.
B)living symbiotically with coral.
C)as a parasite in the respiratory system of vertebrates.
D)in wet moss.
Q6) Flame cells are the primary excretory structures in rotifers.
Multiple Choice Questions
A)True
B)False
Q7) People become infected with Schisitosoma when ___________ penetrate the Page 10
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Page 11
Chapter 9: Polyzoa and Kryptrochozoa: Cycliophora, Entoprocta, Ectoprocta, Brachiopoda, Phoronida, and Nemertea
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23 Verified Questions
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Sample Questions
Q1) Ribbon worms have a complete digestive tract.
Multiple Choice Questions
A)True
B)False
Q2) The lophophore of ectoprocts is extended
A)by a hydraulic mechanism.
B)when the polypide is withdrawn into the zoecium.
C)into the cystid.
D)all of these
Q3) A lophophorate phylum that is primarily marine,but also has some freshwater members is _____________.
Q4) Because of the shape of their shells,the brachiopods are commonly known as _____________.
Q5) Resistant capsules containing germinative cells formed by freshwater ectoprocts are ________.
Q6) Brachiopoda
A)are called bryozoans.
B)have a mantle and two valves (shells).
C)live in freshwater habitats. Page 12
D)are worm-like burrowers.
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Page 13
Chapter 10: Molluscs
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Sample Questions
Q1) The edible clams,oysters,and scallops belong to the class _____________.
Q2) The pulmonate snails lack gills,and their mantle cavity functions in an analogous fashion to a __________.
Q3) The characteristics that generally typify molluscs are
A)foot,mantle,protonephridia,shell.
B)radula,open circulation,mantle,shell.
C)coelom,mantle,closed circulation,radula.
D)no anus,pseudocoel,mantle,shell.
Q4) The mantle cavity in a mollusc houses the gills,foot,and head.
A)True
B)False
Q5) Though they evolved from a torted ancestor,opisthobranchs have undergone various degrees of _________________.
Q6) Members of the class Monoplacophora were believed extinct until some living specimens were found off the coast of Costa Rica in 1952.
A)True
B)False
Q7) Many freshwater clams have specialized,parasitic ___________ larvae.
Q8) The Polyplacophora are commonly called _______.
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Chapter 11: Annelids and Allied Taxa
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Sample Questions
Q1) Most annelids possess tiny bristles called __________.
Q2) The annelids,molluscs,and arthropods are considered members of Protostomia. A)True
B)False
Q3) Leeches depend on _____________ for digestion of their blood meal.
Q4) Small burrowing marine worms with an eversible introvert (no spines)belong to the __________.
Q5) When earthworms mate,the ______________ secretes mucus to hold them together.
Q6) The organs of excretion in the earthworm are ___________.
Q7) The larva of polychaetes is A)lacking.
B)a pilidium.
C)a trochophore.
D)a nauplius.
Q8) The most diverse class of annelids is the earthworms. A)True B)False
Q9) Annelids grow by producing new segments at the anterior end. A)True B)False Page 15
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Page 16
Chapter 12: Smaller Ecdysozoans
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39 Verified Questions
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Sample Questions
Q1) The nematodes are the most diverse of the pseudocoelomates and include many important human parasites.
A)True
B)False
Q2) The _____________ are burrowing marine worms with a proboscis,trunk,and usually one or two caudal appendages.
Q3) Elephantiasis is caused by filarial worms that live in the A)muscles.
B)lymphatic system.
C)intestine.
D)lungs.
Q4) Nematomorphs
A)are called spiny-headed worms.
B)are free-living as adults and parasitic as juveniles.
C)are rare.
D)are found in the host's liver.
Q5) Female pinworms migrate out the anus to lay their eggs.
A)True
B)False
Q6) The most common helminth parasite in the United States is the
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Chapter 13: Arthropods
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79 Flashcards
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Sample Questions
Q1) The crustaceans that are sessile and enclosed in a shell of calcareous plates are called A)barnacles. B)isopods.
C)ostracods. D)copepods.
Q2) The primitive larva in the Crustacea is A)omitted in living forms. B)the trochophore.
C)the veliger.
D)the nauplius.
Q3) The black widow and the brown recluse are dangerous spiders. A)True B)False
Q4) The trilobites are A)freshwater dwellers.
B)terrestrial crustaceans.
C)aquatic insects. D)extinct.
Q5) Flies and mosquitoes belong to order _____________.
Page 18
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Chapter 14: Chaetognaths, Echinoderms, and Hemichordates
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Sample Questions
Q1) Of the echinoderms,regeneration and autotomy are most pronounced in the A)ophiuroids.
B)asteroids.
C)holothuroids.
D)echinoids.
Fill in the Blank Questions
Q2) The five pairs of bursae in brittle stars are used for
A)digestion and excretion.
B)respiration and reproduction.
C)reproduction and digestion.
D)circulation and digestion.
Q3) When a sea star feeds on a clam,it inserts its _____________ between the two valves.
A)madreporite
B)stomach
C)ampulla
D)pyloric ceca
Q4) Minute,pincer like _________________ are found on the surfaces of many sea stars.
Q5) The larvae of echinoderms have __________ symmetry.
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Chapter 15: Vertebrate Beginnings: the Chordates
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35 Verified Questions
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Sample Questions
Q1) In primitive vertebrates,the notochord functions in A)sensory reception.
B)coelom formation.
C)muscle attachment.
D)respiration.
Q2) The nerve cord of chordates is solid and dorsal to the alimentary canal.
A)True
B)False
Q3) "Sea squirts," the most common kind of tunicate,belong to the class __________.
Q4) Our knowledge of the fossil invertebrate chordates is quite limited because A)they were very rare.
B)they were soft-bodied.
C)fossils from that period were obliterated by volcanism.
D)they were only freshwater.
Fill in the Blank Questions
Q5) During the evolution of the vertebrates,gills changed from respiratory organs to filter-feeding structures.
A)True
B)False
Q6) The skeletal rod found in all chordates is called a ___________.
Page 20
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Chapter 16: Fishes
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Sample Questions
Q1) Declines in the salmon population in the northwest of the U.S.have resulted in 25% fewer fish migrating up the Columbia and Snake Rivers.
Multiple Choice Questions
A)True
B)False
Q2) Among the fastest swimmers,tunas swim by
A)undulating their entire bodies.
B)flexing their tails alone.
C)movement of their pectoral and pelvic fins.
D)all of these
Q3) Hagfishes locate their food through keen vision.
A)True
B)False
Q4) The _______ hypothesis suggests that the vertebrae in hagfishes are rudimentary in embryos so vertebrae were present in the common ancestor for all living vertebrates.
Q5) In the gills of fishes,the flow of water is opposite to the direction of blood flow.This efficient arrangement is known as _______ flow.
Q6) The gills of bony fishes are covered with a movable flap called the _________.
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Chapter 17: The Early Tetrapods and Modern Amphibians
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Sample Questions
Q1) A 350 million-year-old fossil called Ichthyostega was
A)a lobe-finned fish that gave rise to the amphibians.
B)the earliest known tetrapod.
C)a lizard-like stem reptile.
D)a ray-finned fish that gave rise to the amphibians.
Q2) The decline in amphibian populations,particularly frogs,may be attributed to habitat destruction,environmental pollutants,depletion of ozone,and random population fluctuations.
A)True
B)False
Q3) Amphibians relied less on the lateral line system and more on smell and hearing than their ancestors.
A)True
B)False
Q4) Most amphibians remain dependent on their aquatic environment because of their method of reproduction.
A)True
B)False
Q5) The frog heart has two atria and a single,undivided ___________.
Q6) Frogs and toads belong to the order ________,a name that means "without a tail."
Page 22
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Chapter 18: Amniote Origins and Nonavian Reptiles
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Sample Questions
Q1) The diapsid lineage gave rise to
A)the mammals.
B)the turtles.
C)the birds.
D)all of the above
Q2) Amniotes having a skull with two temporal openings are called ___________.
Q3) A characteristic that snakes do not have is
A)scaly skin.
B)movable eyelids.
C)internal fertilization.
D)a highly kinetic skull.
Q4) The reptiles are a paraphyletic group because they do not include all descendants of their most recent common ancestor.
A)True
B)False
Q5) Sauropods tended to be herbivorous and quadrupedal,and this group includes Allosaurus and Velociraptor.
A)True
B)False
Q6) The tuatara belongs to the ___________.
Page 23
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Chapter 19: Birds
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Sample Questions
Q1) The high-speed wings of plovers and sandpipers have swept-back wings that come to a tip,an adaptation that reduces drag-creating turbulence called ____________.
Q2) Declines of waterfowl in the U.S.may be attributed to accidental ingestion of _______.
Q3) The major stimulus for spring migration in birds is increasing day length in late winter and early spring.
A)True
B)False
Q4) Domesticated fowl aside,the starlings and the _____________ have become the two most abundant bird species on Earth,due to introduction to various countries.
Q5) In migration,birds use
A)an innate direction sense.
B)the stars at night for navigation.
C)the sun by day for navigation.
D)all of these
Q6) The __________,a group of small feathers on the first digit (or "thumb")of the bird's wing,functions to prevent stalling at low flight speeds.
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Page 24
Chapter 20: Mammals
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Sample Questions
Q1) The prosimians and the simians are the two major lineages of the primates.
A)True
B)False
Q2) The first simian fossils appeared about 100 million years ago.
Multiple Choice Questions
A)True
B)False
Q3) The mammal that makes one of the longest migration to breeding areas in the Pribilof Islands is the
A)barren-ground caribou.
B)fur seal.
C)humpback whale.
D)sperm whale.
Q4) Herbivorous mammals may be classified into two groups: the browsers and grazers,and the gnawers.
A)True
B)False
Q5) In contrast to birds,very few mammals make regular seasonal migrations.
A)True
B)False
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