Practice Quiz

Evolutionary Biology




Quiz
Chordates


    True and False Questions

  1. Hemichordates are members of the Phylum Chordata.

    a) True
    b) False

  2. Vertebrates are characterized by a ventral solid nerve cord.

    a) True
    b) False

  3. Although adult tunicates lack the postanal tail that is characteristic of vertebrates, it is present in their larval stage.

    a) True
    b) False

  4. The cartilaginous fishes and the bony fishes arose from ancestral placoderm fishes.

    a) True
    b) False

  5. Most evolutionists today believe that in fish, bony skeletons have been derived from ancestral cartilaginous skeletons.

    a) True
    b) False

  6. Some bony fishes have lungs and can breathe air.

    a) True
    b) False

  7. Amphibians can carry out gas exchange across their moist skins.

    a) True
    b) False

  8. Reptiles are generally considered to be endothermic.

    a) True
    b) False

  9. Bird lungs have one-way air passages rather than the blind-ending alveoli found in most air-breathing vertebrate lungs.

    a) True
    b) False

    
    

    Multiple Choice Questions - Choose the best available answer.

  10. A radial cleavage pattern is not seen in the embryos of

    a) arthropods
    b) echinoderms
    c) hemichordates
    d) chordates

  11. Which of the following traits is not characteristic of members of the Phylum Chordata?

    a) ventral solid nerve cord
    b) notochord
    c) dorsal hollow nerve cord
    d) postanal tail

  12. Traits such as a ventrally placed heart, a dorsal aorta, two pairs of limbs, and paired kidneys characterize

    a) hemichordates
    b) tunicates
    c) cephalochordates
    d) vertebrates

  13. The so-called "bony-fishes" are members of the class

    a) Osteichthyes
    b) Placodermi
    c) Chondrichthyes
    d) Agnatha

  14. Which of the following phrases best describes the heart of the typical amphibian?

    a) branchial heart
    b) 2-chamber heart
    c) 3-chamber heart
    d) 4-chamber heart

  15. Among the reptiles were flying forms; the first flying reptile was probably a(an)

    a) cotylosaur
    b) pterosaur
    c) dinosaur
    d) archaeopteryx

  16. The egg-laying mammals are most closely related to the

    a) extinct mammaths
    b) kanjaroos
    c) chickens
    d) frogs
    e) goldfish

  17. Which of the following is a mammal that lays eggs and hatches them outside the body

    a) archaeopteryx
    b) kangaroo
    c) opossum
    d) platypus
    e) placental mammal

  18. Which animal is not an amniote (i.e. one which produces amniotic eggs)?

    a) human
    b) crow
    c) archaeopteryx
    d) trout
    e) lizard


		

You have: answers correct out of a possible eighteen.

The question numbers that were not correct are:


Instructor: Professor Clyde Herreid, herreid@buffalo.edu