Invertebrates And Vertebrates

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  • 1. 
    Animals are...
    • A. 

      Heterotrophs

    • B. 

      Autotrophs

    • C. 

      Prokaryotes

    • D. 

      Eukaryotic

    • E. 

      Multicellular

    • F. 

      Unicellular

    • G. 

      Cell Wall

    • H. 

      No Cell Wall

    • I. 

      Most reproduce sexually

    • J. 

      Most reproduce asexually


  • 2. 
    Invertebrates are lacking a _________. 

  • 3. 
    Sponges are most accurately described as 
    • A. 

      Freshwater scavengers

    • B. 

      Marine predators

    • C. 

      Aquatic predators

    • D. 

      Aquatic filter feeders


  • 4. 
    Which of these statements is true of sponges?
    • A. 

      They have no true tissues

    • B. 

      They are pseudocoelomates

    • C. 

      They are segmented animals

    • D. 

      They have an open circulatory system


  • 5. 
    Sponges level of organization is 
    • A. 

      Tissues

    • B. 

      Cells

    • C. 

      No organization present

    • D. 

      Organism


  • 6. 
    Central cavity of sponges is
    • A. 

      Gastrula

    • B. 

      Dihydrofolate

    • C. 

      Spongocoel

    • D. 

      Spongin


  • 7. 
    In sponges, water moves through its _________ and out through its _________.
    • A. 

      Pores, mouth

    • B. 

      Alimentary canal, osculum

    • C. 

      Body, mouth

    • D. 

      Pores, osculum


  • 8. 
    A sponge's skeletal materials (spicules, spongin) are manufactured by the 
    • A. 

      Epidermal cells

    • B. 

      Choanocytes

    • C. 

      Amoebocytes

    • D. 

      Pore cells


  • 9. 
    Vertebrates and tunicates share
    • A. 

      The formation of structures from the neural crest

    • B. 

      An endoskeleton that includes a skull

    • C. 

      A notochord and a dorsal, hollow nerve cord

    • D. 

      Jaws adapted for feeding

    • E. 

      A high degree of cephalization


  • 10. 
    What are the cells in a sponge that are primarily responsible for trapping food particles from circulating water?
    • A. 

      Pore cells (porocytes)

    • B. 

      Epidermal cells

    • C. 

      Amoebocytes

    • D. 

      Choanocytes


  • 11. 
    Which of the following are NOT associated with sponges?
    • A. 

      Osula

    • B. 

      Spicules

    • C. 

      Cnidocytes

    • D. 

      Amoebocytes


  • 12. 
    Which chemical is not  normally found in any sponges?
    • A. 

      Calcium carbonate

    • B. 

      Silica

    • C. 

      Spongin

    • D. 

      Chitin

    • E. 

      Cribrostatin


  • 13. 
    What are the two cell types found in sponges?
    • A. 

      Ephidermal, amoebocytes

    • B. 

      Ephidermal, choanocytes (collar cells)

    • C. 

      Choanocytes (collar cells) , amoebocytes

    • D. 

      Amoebocytes, spongocoels


  • 14. 
    Choanocytes (Collar Cells) are flagellated and are used to create movement of water and ingest food.
    • A. 

      True

    • B. 

      False


  • 15. 
    Amoebocytes... take up food from water and choanocytes, digest food, carry nutrients, and manufacture tough skeletal fibers and flexible spongin fibers. 
    • A. 

      True

    • B. 

      False


  • 16. 
    Sponges sexually are
    • A. 

      Hermaphrodites

    • B. 

      Homophrodites

    • C. 

      Fertilization

    • D. 

      None of the above


  • 17. 
    All of the following are characteristics of the phylum Cnidaria except
    • A. 

      A polyp stage

    • B. 

      A pseudocoelom

    • C. 

      A gastrovascular cavity

    • D. 

      A medusa stage

    • E. 

      Cnidocytes


  • 18. 
    A central digestive compartment sac is a
    • A. 

      Cnidocytes

    • B. 

      A polyp stage

    • C. 

      Silica

    • D. 

      Gastrovascular cavity


  • 19. 
    Cnidarians have (a)
    • A. 

      2 openings

    • B. 

      No openings

    • C. 

      Single opening

    • D. 

      Multi-openings


  • 20. 
    Cnidarians have two (2) body plants which are made up of 
    • A. 

      Polyp (sessile), medusa (motile)

    • B. 

      Medusa (motile), upper

    • C. 

      Medusa (motile), tentacles

    • D. 

      Polyp (sessile), proglottids


  • 21. 
    Cnidarians have which level of organization ?
    • A. 

      Tissues

    • B. 

      Cells

    • C. 

      Organisms

    • D. 

      All of the above


  • 22. 
    Cnidarians include which animals 
    • A. 

      Sharks, ray finned fish, amphibians, reptitles, mammals

    • B. 

      Opossums, kangaroos, koalas

    • C. 

      Man of war, hydras, jellies, sea anemones, corals

    • D. 

      Clams, oysters, snails, slugs, octopus, squids


  • 23. 
    A nasty sting with poison that can lead to death is the defense of what Cnidarian? (note: the only animal that has a defense against the poison is sea turtles) 
    • A. 

      Jellies

    • B. 

      Corals

    • C. 

      Sea wasps

    • D. 

      Man of war


  • 24. 
    Cnidarians have a brain
    • A. 

      True

    • B. 

      False


  • 25. 
    Platyhelmenthes aka__________.
    • A. 

      Round worms

    • B. 

      Flat worms

    • C. 

      Leeches

    • D. 

      Earthworms


  • 26. 
    In Platyhelmenthes (flat worms), gas is exchanged by 
    • A. 

      Diffusion

    • B. 

      Evaporation

    • C. 

      Respiration

    • D. 

      Osmosis


  • 27. 
    Platyhelmenthes: Flat worms include all of the following except 
    • A. 

      Tubellaria-planaria

    • B. 

      Mollusks-gastropods, bivalves, cephalopds

    • C. 

      Trematodes-parasites

    • D. 

      Cestoda-tapeworms, parasitic


  • 28. 
    Which is the king of regeneration?
    • A. 

      Starfish

    • B. 

      Round worms

    • C. 

      Tubellaria

    • D. 

      Trematodes


  • 29. 
    Tubellaria reproduce 
    • A. 

      Sexually

    • B. 

      Asexually

    • C. 

      Hermaphroditic

    • D. 

      Both A and B


  • 30. 
    Which infects 200 millino people each year and can evade the immune system for over 40 years?
    • A. 

      Tubellaria

    • B. 

      Rotifers

    • C. 

      Mollusks

    • D. 

      Trematodes


  • 31. 
    Cestoda-tapeworms have no mouth or gastrovas cavity 
    • A. 

      True

    • B. 

      False


  • 32. 
    Rotifers are 
    • A. 

      Large

    • B. 

      Very, very small

    • C. 

      Are single celled

    • D. 

      Are multicellualr

    • E. 

      Have alimentary canal

    • F. 

      Are parthenogenesis


  • 33. 
    Mollusks included what animals?
    • A. 

      Clams, oysters, snails, slugs, octopus, squids

    • B. 

      Hydras, jellies, man of war, sea anemones, corals

    • C. 

      Shark, ray finned fish, amphibians, reptiles, mamales

    • D. 

      Opossums, kangaroos, koalas


  • 34. 
    Mollusks is made up of three main parts, Muscular foot,  visceral mass, and mantle. What are the functions of each part as listed. 
    • A. 

      Contains internal organs, movement, secrets shells

    • B. 

      Movement, secrets shell, contains internal organs

    • C. 

      Movement, contains internal organs, secrets shell

    • D. 

      None of the above


  • 35. 
    Is the head present in the mollusks-Gastropods?
    • A. 

      No

    • B. 

      Yes


  • 36. 
    Mollusks-Bivalves 
    • A. 

      Are suspension feeders

    • B. 

      Are headless

    • C. 

      Consist of clams, oysters, muscles, scallops

    • D. 

      Have a shell that is divided into 2 halves

    • E. 

      All of the above


  • 37. 
    Mollusks-Cephalopods 
    • A. 

      Consist of squids and octopus

    • B. 

      Are predators-carnivors

    • C. 

      Have tentacles

    • D. 

      Have a closed circulatory system

    • E. 

      All of the above


  • 38. 
    ______ moves by jet propulsion siphon, _______ has a complex brain 
    • A. 

      Earthworms, leeches

    • B. 

      Octopus, squids

    • C. 

      Starfish, hagfish

    • D. 

      Squids, octopus


  • 39. 
    which are included in the Phylum-Annelida class also known as "little rings" 
    • A. 

      Leeches

    • B. 

      Roundworms

    • C. 

      Earthworms

    • D. 

      Pinworms

    • E. 

      Hookworms

    • F. 

      Polychaetes


  • 40. 
    Earthworms cross fertilize and are hermaphroditic 
    • A. 

      True

    • B. 

      False


  • 41. 
    Phylum: Nematoda includes which 
    • A. 

      Snails, slugs, oysters, clams, octopus, and squids

    • B. 

      Man of war, hydras, jellies, sea anemones, corals

    • C. 

      Roundworms, heartworms, pinworms, hookworms

    • D. 

      Earthworms, polychaetes, leeches


  • 42. 
    How do Phylum: Nematoda reproduce
    • A. 

      Asexualy

    • B. 

      Hermaphroditic

    • C. 

      Sexually

    • D. 

      Pollination


  • 43. 
    1.3 Million people worldwide are infected with 
    • A. 

      Pinworms

    • B. 

      Trichinasis

    • C. 

      Dracuncula

    • D. 

      Ascariasis


  • 44. 
    Also known as Guinea worm disease, which is the first disease to be eradicated? 
    • A. 

      Trichinasis

    • B. 

      Ascaris

    • C. 

      Elephantiasis

    • D. 

      Dracuncula


  • 45. 
    Phylum: Arthropods
    • A. 

      One billion billion living on earth

    • B. 

      Bodies are segmented

    • C. 

      Shed their exoskeleton when in need for a larger one

    • D. 

      Have well developed sensory organs

    • E. 

      Have an open circulatory system


  • 46. 
    Phylum: Arthropods are unique because they have wings
    • A. 

      True

    • B. 

      False


  • 47. 
    Phylum: Arthropods includes which of the following 
    • A. 

      Arachnids (spiders, book lungs), Myriapods (millipeds and centipedes), insects

    • B. 

      Snails, slugs, octopus, squids, clams, oysters

    • C. 

      Shark, ray finned fish, amphibians, reptiles, mammals

    • D. 

      Man of war, hydras, jellies, sea anemones, corals


  • 48. 
    Insects...
    • A. 

      Have 2 body regions

    • B. 

      Have 3 body regions

    • C. 

      Have a heart

    • D. 

      Have open circulatory systems

    • E. 

      Consist of incomplete and complete metamorphosis


  • 49. 
    Phylum: Echinodermata (spiny Skin) includes what animals 
    • A. 

      Sea stars, sea cucumbers

    • B. 

      Hagfish

    • C. 

      Sharks, ray finned fish, reptiles, mammals, amphibians

    • D. 

      Whales


  • 50. 
    The water vascular system in Phylum:Echinodermata is for 
    • A. 

      Locomotion

    • B. 

      Feeding

    • C. 

      Gas exchange

    • D. 

      Diffusion

    • E. 

      A,B, & C


  • 51. 
    Phylum-Chordata 
    • A. 

      Bilaterally symmetrical

    • B. 

      A notochord

    • C. 

      Dorsal, hollow nerve cord

    • D. 

      Pharyngeal slits or clefts


  • 52. 
    Craniate are Cordates that have a head; including a brain, eyes, and other sensory organs and skull 
    • A. 

      True

    • B. 

      False


  • 53. 
    Craniate-Hagfish
    • A. 

      Are vertebrates

    • B. 

      Are invertebrates

    • C. 

      Are jawless

    • D. 

      Have large brains

    • E. 

      Have small brains

    • F. 

      Have toothlike formations

    • G. 

      Are amphibians

    • H. 

      All are marine

    • I. 

      Are bottom dewelling scavengers

    • J. 

      Have slime glands and can produce up to several liters in 1 min.


  • 54. 
    Which produces artificial slime that could act as a space filling gell in surgery 
    • A. 

      Cartilage fish

    • B. 

      Sea stars

    • C. 

      Squids

    • D. 

      Hagfish


  • 55. 
    Which vertebrate is jawless and usually dies after reproducing 
    • A. 

      Hagfish

    • B. 

      Sharks

    • C. 

      Lamprey

    • D. 

      Ray finned fish


  • 56. 
    "Jaw Mouths"  include
    • A. 

      Opossums, kangaroos, koalas

    • B. 

      Sharks, ray finned fish, amphibians, reptiles, mammals

    • C. 

      Hagfish

    • D. 

      All of the above


  • 57. 
    Which of the following senses are jawmouths strongest
    • A. 

      Vision

    • B. 

      Hearing

    • C. 

      Smell

    • D. 

      Touch


  • 58. 
    Jawmouths eggs are 
    • A. 

      Are laid

    • B. 

      Are fertilized internally

    • C. 

      Can be oviparous (lay eggs that are hatched outside body)

    • D. 

      Can be Ovoviviparous (retain fertilized eggs in oviduct)

    • E. 

      Can be viviparous (young develop within uterus and recieve nutrients from others blood through yolk sac placenta)

    • F. 

      All of the above

    • G. 

      B, C, D, & E are correct


  • 59. 
    Which is true about Ray Finned Fish and Lobe fins 
    • A. 

      Nearly blind

    • B. 

      Endothermic

    • C. 

      Have bony exoskeletons

    • D. 

      None of the above


  • 60. 
    Ray Finned Fish and Lobe Fins breath by drawing water over 4 or 5 pair of gills located in chambers covered by protective bony flap called 
    • A. 

      A cuticle

    • B. 

      Operculum

    • C. 

      Flap cover

    • D. 

      Gills


  • 61. 
    Swim Bladders are air sacs that allow Ray Finned Fish and Lobe Fins to control their buoyancy
    • A. 

      True

    • B. 

      False


  • 62. 
    Ray Finned fish, including tuna, clownfish, sea horse, and moray eels have fins that help in maneuvering, defense, and other functions 
    • A. 

      True

    • B. 

      False


  • 63. 
    Lobe fins are
    • A. 

      Very common

    • B. 

      Not common


  • 64. 
    Amphibians include
    • A. 

      Salamanders

    • B. 

      Frogs

    • C. 

      Caecillians

    • D. 

      All of the above


  • 65. 
    Caecillians...
    • A. 

      Are legless

    • B. 

      Are nearly blind

    • C. 

      Resemble earth worms

    • D. 

      All of the above


  • 66. 
    Fertilization of Amphibians 
    • A. 

      Asexual

    • B. 

      External-shelled eggs

    • C. 

      Internal-shell less eggs

    • D. 

      External-shell less eggs


  • 67. 
    Most Amphibians rely on moist skin for gas exchange 
    • A. 

      True

    • B. 

      False


  • 68. 
    Reptiles include 
    • A. 

      Lizards, snakes, turtles, crocodiles

    • B. 

      Birds

    • C. 

      Consist of both avians and nonavians

    • D. 

      All of the above


  • 69. 
    Fertilization of reptiles 
    • A. 

      Internally-shell less eggs

    • B. 

      Internally-shelled eggs

    • C. 

      Externally-shell less eggs

    • D. 

      Externally-shelled eggs


  • 70. 
    Snakes lack
    • A. 

      Sight

    • B. 

      Teeth

    • C. 

      Eardrums

    • D. 

      Smell


  • 71. 
    Birds...
    • A. 

      Have hollow bones

    • B. 

      Lack a urinary bladder

    • C. 

      Are toothless

    • D. 

      Females have one ovary

    • E. 

      Have hollow bones

    • F. 

      Have excellent eyesight

    • G. 

      Have a four chambered heart and fertilize internally

    • H. 

      All of the above are true


  • 72. 
    Platypus and Echidnas are the only mammals that lay eggs. They belong to what group
    • A. 

      Monotremes

    • B. 

      Marsupials

    • C. 

      Eutherians

    • D. 

      Primates


  • 73. 
    Opossums, Kangaroos, Koalas all nurse inside a maternal pouch. They belong to which group 
    • A. 

      Monotremes

    • B. 

      Marsupials

    • C. 

      Eutherians

    • D. 

      Primates


  • 74. 
    Primates include 
    • A. 

      Monotremes, marsupials, eutherians

    • B. 

      Monkeys only

    • C. 

      Lemurs, tarsiers, monkeys, apes, humans

    • D. 

      None of the above


  • 75. 
    Apes have  Long arms Short legs No Tail & spend time in trees
    • A. 

      True

    • B. 

      False


  • 76. 
    Humans have  Large brains  bipedal locomotion  reduced jaws
    • A. 

      True

    • B. 

      False


  • 77. 
    Match the following
    • A. Level of organization is cells
    • A.
    • B. carry nutrients throughout sponge
    • B.
    • C. Three main body parts
    • C.
    • D. studied becuase of ability to regenerate
    • D.
    • E. kills penicillin resistant streptococcus-produced by sponges
    • E.
    • F. causes Schistosoma;snail intermediate host; 2nd host-human
    • F.
    • G. can survive with only femals; parthenogensis occurs
    • G.
    • H. class cestoda; have scolex; get from u
    • H.
    • I. considered most intelligent invertebrates
    • I.
    • J. aerate soil; castings improve texture of soil
    • J.
    • K. platyhelminthes
    • K.
    • L. parasites; have tough cuticle; causes trichinosis
    • L.
    • M. used to drain blood that accumulates in tissues following certain injuries or surgeries
    • M.
    • N. have two body plans- medusa or polp
    • N.
    • O. secreted by leeches; keeps blood from coagulating
    • O.
    • P. speedy animal uses jet propulsion from siphon
    • P.
    • Q. most successful of all animal phyla-10 billion billion living on earth
    • Q.
    • R. most common roundworm infection worldwide affects as many as 1.3 billion people worldwide
    • R.
    • S. most common roundworm in America among children
    • S.
    • T. Undergo incomlete metamorhosis
    • T.
    • U. have a water vascular system and star shaped body
    • U.

  • 78. 
    can be 3 meters in length, hunts deer, lay shelled eggs on land, and includes lizards, snakes, turtles, crocidialians and birds 
    • A. 

      Hagfish

    • B. 

      Lamprey

    • C. 

      Sharks

    • D. 

      Amphibians

    • E. 

      Reptiles


  • 79. 
    Means "both ways of life" and lay shell-less eggs in water or moist envioment
    • A. 

      Hagfish

    • B. 

      Lamprey

    • C. 

      Sharks

    • D. 

      Amphibians

    • E. 

      Reptiles


  • 80. 
    are jawless vertebrates and parasites of fish that use tongue to penetrate skin of fish and ingest fish's blood
    • A. 

      Hagfish

    • B. 

      Lamprey

    • C. 

      Sharks

    • D. 

      Amphibians

    • E. 

      Reptiles


  • 81. 
    Invertebrates; lack jaws; bottom dwelling scavengers-feed on sick or dead fish, is studied because might could use an artificial slime like its slime to curtail bleeding during surgery 
    • A. 

      Hagfish

    • B. 

      Lamprey

    • C. 

      Sharks

    • D. 

      Amphibians


  • 82. 
    gains buoyancy by storing large amount of oil in its huge liver 
    • A. 

      Hagfish

    • B. 

      Lamprey

    • C. 

      Sharks

    • D. 

      Reptiles


  • 83. 
    Which of the following is not a shared characteristic of all chordates 
    • A. 

      Four chambered heart

    • B. 

      Dorsal hollow nerve cord

    • C. 

      Pharyngeal clefts

    • D. 

      Post-anal tail

    • E. 

      Notochord


  • 84. 
    which are the most abundant and diverse of the extant vertebrates?
    • A. 

      Avian reptiles

    • B. 

      Mammals

    • C. 

      Amphibians

    • D. 

      Non-avian reptiles

    • E. 

      Bony fishes


  • 85. 
    Which of these statement accurately describes a similarity between sharks and fishes?
    • A. 

      They have a lateral line that is sensitive to changes in water pressure

    • B. 

      They are equally able to exchange gases with the environment while stationary

    • C. 

      A swim badder helps control buoyancy

    • D. 

      They are highly maneuverable due to their flexibility


  • 86. 
    The bony fishes are characterized by 
    • A. 

      Teeth that are replaced regularly

    • B. 

      A cartilaginous endoskeleton

    • C. 

      A bony endoskeleton, operculum, and usually a swim bladder

    • D. 

      An amniotic egg


  • 87. 
    Differentiation of teeth is greatest in 
    • A. 

      Amphibians

    • B. 

      Reptiles

    • C. 

      Bony fishes

    • D. 

      Mammals


  • 88. 
    Which is not characteristic of all mammals 
    • A. 

      Having glands to produce nourishing milk for offspring

    • B. 

      A four-chambered heart that prevents mixing of oxygenated and deoxygenated blood

    • C. 

      Having a diaphragm to assist in ventilating the lungs

    • D. 

      Giving birth to live young ( viviparous)

    • E. 

      Having hair during at least some period of life


  • 89. 
    which of the following classifications do not apply to both dogs and humans 
    • A. 

      Order primates

    • B. 

      Phylum chordata

    • C. 

      Class mammalia

    • D. 

      Kingdom Animalia


  • 90. 
    How are primates different from all other mammals 
    • A. 

      Ability to produce milk

    • B. 

      Placental embryonic development

    • C. 

      Hairy bodies

    • D. 

      Opposable thumbs in many species


  • 91. 
    In which vertebrates is fertilization exclusively internal?
    • A. 

      Reptiles and mammals

    • B. 

      Reptiles and amphibians

    • C. 

      Amphibians mammals and reptiles

    • D. 

      Chondrichthyans osteichthyans and reptiles


  • 92. 
    Match the following
    • A. internal fertilization, amniotic egg, skin that resists drying, heaving bones
    • A.
    • B. three major groups: egg laying, pouched, and placental
    • B.
    • C. may have lungs, or gills and may use skin as a respiratory surface
    • C.
    • D. honeycombed bones, femals with one ovary, no teeth
    • D.

  • 93. 
    Corals are most closely related to which groups 
    • A. 

      Freshwater hydras

    • B. 

      Sea anemones

    • C. 

      Barnacles

    • D. 

      Sponges


  • 94. 
    which characteristic is shared by both cnidarians and flatworms 
    • A. 

      Dorsoventrally flattened bodies

    • B. 

      A digestive system with a single opening

    • C. 

      Radial symmetry

    • D. 

      Flame cells


  • 95. 
    Generally, members of which flatworm class are nonparasitic 
    • A. 

      Tubellaria

    • B. 

      Monogenea

    • C. 

      Trematoda

    • D. 

      Crestoda


  • 96. 
    In a small stream, you pick up a rock and observe many small, flattened worms crawling on its undersurface. You decide that they belong to the phylum Platyhelminthes. To which class do they probably belong?
    • A. 

      Trematoda

    • B. 

      Crestoda

    • C. 

      Turbellaria

    • D. 

      Hirudinea


  • 97. 
    What would be the most effective method of reducing the incidence of blood flukes in a human population
    • A. 

      Purify all drink water

    • B. 

      Reduce the mosquito population

    • C. 

      Avoid contact with rodent droppings

    • D. 

      Reduce the freshwater snail population


  • 98. 
    The Larvae of many common tapeworms affecting humans are usually found
    • A. 

      In the intestines of cows and pigs

    • B. 

      Encysted in the muscle of an animal such as a cow or pig

    • C. 

      In the human brain

    • D. 

      Encysted in human muscle


  • 99. 
    While vacationing in a country that lacks adequate meat inspection, a student ate under cooked ground beef. Sometime later the student became easily fatigued, and lost body weight. At about the same time, whitish, flattened, rectangular object full of small white spheres started appearing in his feces. Administration of niclosamide cured the problem. The student had probably been infected by a 
    • A. 

      Tapeworm

    • B. 

      Proboscis worm

    • C. 

      Hookworm

    • D. 

      Pinworm


  • 100. 
    All of the following characterize the phylum Rotifera except 
    • A. 

      A complete digestive tract

    • B. 

      A relatively large size

    • C. 

      A life cycle stage that is resistant to desiccation

    • D. 

      A crown of cilia at the anterior end that resembles a wheel

    • E. 

      Parthenogenic reproduction


  • 101. 
    A terrestrial mollusc without a shell belongs to which class 
    • A. 

      Polyplacophora

    • B. 

      Arthropoda

    • C. 

      Cephalopoda

    • D. 

      Gastropoda


  • 102. 
    While Snorkeling, a student observes an active marine animal that has a series of muscular tentacles bearing suckers associated with its head. Segmentation is not observed, but a pair of large well developed eyes is evident. the student is observing an animal belonging to which class
    • A. 

      Polychaeta

    • B. 

      Gastropoda

    • C. 

      Bivalvi

    • D. 

      Cephalopoda


  • 103. 
    Humans most frequently acquire trichinosis by 
    • A. 

      Having sexual contact with an infected partner

    • B. 

      Being bitten by tsetse flies

    • C. 

      Eating undercooked beef

    • D. 

      Eating undercooked pork


  • 104. 
    The heartworms that can accumulate within the heart of dogs and other mammals have a pseudoccoelom, an alimentary canal, and an outer covering that is occasionally shed. To which phylum does the heartworm belong 
    • A. 

      Arthropoda

    • B. 

      Nematoda

    • C. 

      Phoronida

    • D. 

      Platyhelminthes


  • 105. 
    While working in your garden, you discover a worm-like segmented animal with two pairs of jointed legs per segment. The animal is probably a 
    • A. 

      Sow bug

    • B. 

      Centipede

    • C. 

      Caterpillar

    • D. 

      Millipede


  • 106. 
    What distinguishes complete metamorphosis from incomplete metamorphosis in insects? 
    • A. 

      Presence of sex organs in the adult, but not in earlier life stages

    • B. 

      Presence of wings in the adult but not in earlier life stages

    • C. 

      Radically different appearances between adults and earlier life stages

    • D. 

      Only A and B


  • 107. 
    They can extend the stomach through their mouth to feed 
    • A. 

      Class crinodiea (sea lilies and feather stars)

    • B. 

      Class aseroidea ( sea stars)

    • C. 

      Class ophiuroidea (brittle stars)

    • D. 

      Class echinoidea (sea urchins and sand dollars )


  • 108. 
    All of the following animal groups include terrestrial life form except 
    • A. 

      Mollusca

    • B. 

      Crustacea

    • C. 

      Annelida

    • D. 

      Echinodermata

    • E. 

      Arthropoda


  • 109. 
    Which of these characteristics is common to both snails and earthworms 
    • A. 

      Two tissue layers

    • B. 

      An alimentary system with two openings

    • C. 

      An exoskeleton

    • D. 

      Segmentation


  • 110. 
    Match the following
    • A. protostomes that have an open circulatory system and an exoskelton of chitin
    • A.
    • B. protostomes with a unique drape of tissue that may secrete a shell
    • B.
    • C. protostomes that have a closed circulatory system and obvious segmentation
    • C.

  • 111. 
    Nematodes are most closely related to 
    • A. 

      Annelids

    • B. 

      Chordates

    • C. 

      Flatworms

    • D. 

      Rotifers


  • 112. 
    Grasshoppers respire via
    • A. 

      Their skin

    • B. 

      Malpighian tubules

    • C. 

      Spiracles and tracheae

    • D. 

      Nephridia


  • 113. 
    Which of these is a characteristic of sea stars
    • A. 

      A closed circulatory system

    • B. 

      Nephridia

    • C. 

      Two tissue layers

    • D. 

      Tube feet


  • 114. 
    a land snail, a clam, and an octopus all share
    • A. 

      A radula

    • B. 

      Gills

    • C. 

      Embryonic torsion

    • D. 

      A mantle


  • 115. 
    The water vascular system of echinoderms 
    • A. 

      Functions as a circulatory system that distributes nutrients to body cells

    • B. 

      Is analogous to the gastrovascular cavity of flatworms

    • C. 

      Moves water through the animals body during suspension feeding

    • D. 

      Functions in locomotion, feeding, and gas exchange


  • 116. 
    Eutherians-Placental mammals  
    • A. 

      Are more complex than marsupials

    • B. 

      Have longer pregnancies

    • C. 

      Complete embryonic development within uterus; joined to mother by placenta

    • D. 

      All of the above


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