Biology Final - Invertebates I

29 Questions | Total Attempts: 79

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Biology Final - Invertebrates


Questions and Answers
  • 1. 
    Cephalization
    • A. 

      Is characterized by the concentration of brains and sensory organs in the front end

    • B. 

      Is a feature of most invertebrates, including the sponges

    • C. 

      Occurs in marine protozoa

    • D. 

      Results when the brain does not develop properly

  • 2. 
    Animals probably evolved from
    • A. 

      Plants

    • B. 

      Photosynthetic protisits

    • C. 

      Colonial protozoa

    • D. 

      None of the above

  • 3. 
    Which of the following is found only in animals?
    • A. 

      The ability to move

    • B. 

      Sexual reproduction

    • C. 

      Muscle tissue and nervous tissue

    • D. 

      Heterotrophy

  • 4. 
    Organisms tha have one and only one plane of symmetry, which body parts are arranged in pairs, exhibit ___________ symmetry
    • A. 

      Bilateral

    • B. 

      Lateral

    • C. 

      Rotating

    • D. 

      Radial

  • 5. 
    During embryonic development, the hollow ball of cells that forms is called the
    • A. 

      Blastula

    • B. 

      Blastopore

    • C. 

      Malura

    • D. 

      Gasula

  • 6. 
    During embryonic development, the opening of the primitive gut it called the
    • A. 

      Mulara

    • B. 

      Glastocoel

    • C. 

      Blastocoel

    • D. 

      None of the above

  • 7. 
    An animal that has a single opening through which food and wastes enter and exit have a(n) _______________ digestive track
    • A. 

      Complete

    • B. 

      Incomplete

    • C. 

      Full

    • D. 

      Empty

  • 8. 
    During embryonic development, the solid ball of cells is called the __________, which means "berry"
    • A. 

      Mulara

    • B. 

      Glastula

    • C. 

      Blastula

    • D. 

      Blastocoel

  • 9. 
    Which of the following is NOT true about animals?
    • A. 

      They have eukaryotic cells

    • B. 

      They are multicellular

    • C. 

      They have true tissues

    • D. 

      They have cell walls

    • E. 

      They are ingestive heterotrophs

  • 10. 
    Which of the following characteristics can you NOT compare animal relationships with?
    • A. 

      Type of Circulatory System

    • B. 

      Symmetry

    • C. 

      Tissue Type

    • D. 

      Type of Body Cavity

    • E. 

      Type of Gut

  • 11. 
    The function of the respiratory system is:
    • A. 

      To exchange CO2 for O2 between the tissues and the environment

    • B. 

      To break down organic material into molecules that are small enough to be absorped into the tissues

    • C. 

      To transport nutrients and O2 to cells, and to transport wastes and CO2 away from cells

    • D. 

      To remove nitrogenous wastes from tissues

  • 12. 
    Animals that don't have an excretory system:
    • A. 

      Excrete wastes with their circulatory systems

    • B. 

      Don't produce metabolic wastes

    • C. 

      Have cells that are close enough to the external environment for diffusion of metabolic wastes to occur

    • D. 

      Excrete digestive wastes with their digestive systems

  • 13. 
    The large opening at the top of a sponge through which water exits is called the:
    • A. 

      Osculum

    • B. 

      Pore

    • C. 

      Gastrovascular cavity

    • D. 

      None of the above

  • 14. 
    The organisms that have a body cavity lined on the outside by mesoderm, and the inside by endoderm, are:
    • A. 

      Echinoderms and chordates

    • B. 

      Annelids and ctenophores

    • C. 

      Arthropods and chordates

    • D. 

      Cnidarians and sponges

  • 15. 
    In spondes, the cells that have flagella, generate water currents, and filter the food out of the water are the:
    • A. 

      Amoebocytes

    • B. 

      Choanocytes

    • C. 

      Gemmules

    • D. 

      Spicules

  • 16. 
    Adult sponges
    • A. 

      Have body walls with many pores

    • B. 

      Possess true tissues

    • C. 

      Are active swimmers

    • D. 

      Use stinging cells to capture prey

  • 17. 
    As an animal develops, the ectoderm becomes the
    • A. 

      Heart

    • B. 

      Tissue that lines the gut

    • C. 

      Muscle tissue

    • D. 

      Skin and nervous tissue

  • 18. 
    Which of the following is a characteristic associated only with cnidarians?
    • A. 

      A digestive tract with a single opening

    • B. 

      Tentacles with stinging cells

    • C. 

      Choanocytes containing nematocysts

    • D. 

      A parasitic lifestyle

  • 19. 
    Cells that move throughout the sponges body wall to deliver food to the organism's cells are
    • A. 

      Amoebocytes

    • B. 

      Choanocytes

    • C. 

      Gemmules

    • D. 

      Spicules

  • 20. 
    As an animal develops, the mesoderm becomes the
    • A. 

      Nervous system

    • B. 

      Tissue that lines the gut

    • C. 

      Muscle tissue

    • D. 

      Skin

  • 21. 
    The function of the excretory system is:
    • A. 

      To exchange CO2 for O2 between tissues and the environment

    • B. 

      To break down organic material into molecules that are small enough to be absorbed into the tissues

    • C. 

      To transport nutrients and O2 to cells, and to transport wastes and CO2 away from cells

    • D. 

      To remove nitrogenous wastes from tissues and maintain homeostasis of electrolytes

  • 22. 
    Spongin is
    • A. 

      The mineral crystals found in sponge skeltons

    • B. 

      The embryonic stage of a sponge

    • C. 

      The outer covering of a sponge

    • D. 

      The protein found in sponge skeltons

  • 23. 
    Animals that don't have a circulatory system:
    • A. 

      Don't use oxygen

    • B. 

      Don't produce nitrogenous wastes

    • C. 

      Don't require nutrients

    • D. 

      Are small enough for diffusion to do the job

  • 24. 
    Which of the following distinguishes sponges from other animals
    • A. 

      They are not motile in any stage of their lfie cycle

    • B. 

      They obtain nutrients by diffusion rather than by ingestion

    • C. 

      Their cells are not organized into tissues

    • D. 

      They reproduce only asexually

  • 25. 
    Sponges obtain food
    • A. 

      By photosynthesis

    • B. 

      By using their spicules to paralyze protozoa

    • C. 

      By filtering small organisms from the water

    • D. 

      With spongin

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