Members of the subphylum are entirely extinct and have a body divided into three longitudinal lobes




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Chapter 14

  1. Members of the subphylum ___________ are entirely extinct and have a body divided into three longitudinal lobes.

    1. Trilobitomorpha

    2. Chelicerata

    3. Crustacea

    4. Hexapoda

    5. Myriapoda



  1. Blind-ending diverticula of the gut tract that absorb nitrogenous waste materials from the blood and empty them into the gut tract are called

    1. coxal glands.

    2. sensilla.

    3. Malpighian tubules.

    4. tracheae.



  1. Daddy longlegs are spiders.

    1. True

    2. False



  1. Members of the subphylum _________ are characterized by having two pairs of antennae and biramous appendages.

    1. Trilobitomorpha

    2. Chelicerata

    3. Crustacea

    4. Hexapoda

    5. Myriapoda

  2. The appendages of a crayfish (except the first antennae) are said to be ________________. This term means that crayfish appendage structure is based on a similar ancestral pattern, and appendages have similar development in the segments of the crayfish body.

    1. preadaptated

    2. homologous

    3. serially homologous

    4. analogous


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