An Amazing Animal Diversity Quiz!

32 Questions | Total Attempts: 105

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An Amazing Animal Diversity Quiz!


Questions and Answers
  • 1. 
    What is an animal? Check all that apply.
    • A. 

      Heterotrophic

    • B. 

      Eukaryotic

    • C. 

      Prokaryotic

    • D. 

      Autotrophic

    • E. 

      Embryos with gastrula stage

    • F. 

      Shape held by collagen

    • G. 

      Shape held by cell wall

    • H. 

      Multicellular

    • I. 

      Unicellular

  • 2. 
    Based on morphological and molecular evidence, animals are closely related to
    • A. 

      Protist called choanoflagellates.

    • B. 

      Prokaryotes called streptococcus bacterium.

    • C. 

      Eukaryotes called cnidarians.

    • D. 

      Cynobacteria called anabaena.

  • 3. 
    The organism above displays what type of symmetry?
    • A. 

      Radial

    • B. 

      Bilateral

    • C. 

      Asymmetry

  • 4. 
    The blastopore becomes the mouth in:
    • A. 

      Protostomes

    • B. 

      Deuterostomes

  • 5. 
    The blastopore becomes the anus in:
    • A. 

      Protostomes

    • B. 

      Deuterostomes

  • 6. 
    The organism above displays what type of symmetry?
    • A. 

      Radial

    • B. 

      Bilateral

    • C. 

      Asymmetry

  • 7. 
    The organism above displays what type of symmetry?
    • A. 

      Radial

    • B. 

      Bilateral

    • C. 

      Asymmetry

  • 8. 
    All of the following describe sponges EXCEPT:
    • A. 

      Unlike other animals, sponges lack tissues.

    • B. 

      The interior surface of the sponge is lined with choanocytes that have flagella and function in nutrition and gas exchange.

    • C. 

      Mesohyl lies within the two layers of a sponge and functions in skeleton formation and dispersal of nutrients.

    • D. 

      Sponges have highly developed reproductive organs.

  • 9. 
    A germ layer is 
    • A. 

      A layer of cells that form during embryogenesis.

    • B. 

      A layer of cells that directs movement of water over feeding cell surfaces.

    • C. 

      A layer of tissues that protects the body from invading microbes.

    • D. 

      A layer of tissues that absorb organic molecules needed for survival.

  • 10. 
    Bilateral symmetry is strongly correlated with 
    • A. 

      Cephalization.

    • B. 

      Absorption of nutrients from the environment.

    • C. 

      Derived traits.

    • D. 

      Increased survivability.

  • 11. 
    Mosaic embryo development is seen in:
    • A. 

      Protostomes

    • B. 

      Deuterostomes

  • 12. 
    Regulative embryo development is seen in:
    • A. 

      Protostomes

    • B. 

      Deuterostomes

  • 13. 
    Radial cleavage is seen in:
    • A. 

      Protostomes

    • B. 

      Deuterostomes

  • 14. 
    Spiral cleavage is seen in:
    • A. 

      Protostomes

    • B. 

      Deuterostomes

  • 15. 
    The coelom forms by enterocoely in
    • A. 

      Protostomes

    • B. 

      Deuterostomes

  • 16. 
    The coelom forms by schizocoely in
    • A. 

      Protostomes

    • B. 

      Deuterostomes

  • 17. 
    All of the following are advantages to bilateral symmetry EXCEPT:
    • A. 

      The ability to move in horizontal directions to capture pray.

    • B. 

      The development of specialized sensory organs at front end for guidance.

    • C. 

      The development of muscles, digestive, circulatory and nervous systems.

    • D. 

      The ability to wave food-gathering tentacles in all directions at once.

  • 18. 
    Select the correct germ layers for Cnidaria, which are diploblastic. 
    • A. 

      Endoderm

    • B. 

      Ectoderm

    • C. 

      Epidermis

    • D. 

      Mesoderm

    • E. 

      Endodermis

  • 19. 
    Select the correct germ layers for bilaterians, which are triploblastic. 
    • A. 

      Endoderm

    • B. 

      Ectoderm

    • C. 

      Epidermis

    • D. 

      Mesoderm

    • E. 

      Endodermis

  • 20. 
    Metamerism is
    • A. 

      Repetitive segments.

    • B. 

      Multiple pairs of legs.

    • C. 

      A type of exoskeleton.

    • D. 

      Regeneration of lost limbs.

  • 21. 
    Which groups of animals are diploblastic?
    • A. 

      Cnidaria

    • B. 

      Ctenophora

    • C. 

      Porifera

    • D. 

      Arthropoda

    • E. 

      Mollusca

  • 22. 
    Cnidarians have _____ symmetry.
    • A. 

      Radial

    • B. 

      No

    • C. 

      Bilateral

    • D. 

      Circular

  • 23. 
    The group Lophotrochozoa includes:
    • A. 

      Annelid worms and mollusks.

    • B. 

      Butterflies and moths.

    • C. 

      Crustaceans.

    • D. 

      Sponges and octopus.

  • 24. 
    You are walking along a beach and find an organism that has a carapace, 2 pairs of antennae, and compound eyes. Based on this information the organism you found belongs to which of the following subphyla:
    • A. 

      Chelicerata

    • B. 

      Crustacea

    • C. 

      Myriapoda

    • D. 

      Hexapoda

  • 25. 
    The most ancient branch point in animal phylogeny is that between having
    • A. 

      Radial or bilateral symmetry.

    • B. 

      A well-defined head or no head.

    • C. 

      Diploblastic or triploblastic embryos.

    • D. 

      True tissues or no tissues.

  • 26. 
    With the current molecular-based phylogeny in mind, rank the following from most inclusive to least inclusive.

1. ecdysozoan
2. protostome 
3. eumetazoan4. triploblastic 
    • A. 

      4, 2, 3, 1

    • B. 

      4, 3, 1, 2

    • C. 

      3, 4, 1, 2

    • D. 

      3, 4, 2, 1

    • E. 

      4, 3, 2, 1

  • 27. 
    If a multicellular animal lacks true tissues, then it can properly be included among the
    • A. 

      Eumetazoans.

    • B. 

      Metazoans.

    • C. 

      Choanoflagellates.

    • D. 

      Lophotrochozoans.

    • E. 

      Bilateria.

  • 28. 
    According to the evidence collected so far, the animal kingdom is 
    • A. 

      Monophyletic

    • B. 

      Paraphyletic

    • C. 

      Polyphyletic

    • D. 

      Euphyletic

    • E. 

      Multiphyletic

  • 29. 
    What is characteristic of all ecdysozoans?
    • A. 

      The deuterostome condition 


    • B. 

      Some kind of exoskeleton, or hard outer covering

    • C. 

      A pseudocoelom

    • D. 

      The diploblastic condition 


    • E. 

      Agile, speedy, and powerful locomotion

  • 30. 
    Acoelomates are characterized by
    • A. 

      The absence of a brain.

    • B. 

      The absence of mesoderm.

    • C. 

      Deuterostome development.

    • D. 

      A coelom that is not completely lined with mesoderm.

    • E. 

      A solid body without a cavity surrounding internal organs.