Chordates

Review Questions

Which of the following is not contained in phylum Chordata?

  1. Cephalochordata
  2. Echinodermata
  3. Urochordata
  4. Vertebrata

Hint:

B

Which group of invertebrates is most closely related to vertebrates?

  1. cephalochordates
  2. echinoderms
  3. arthropods
  4. urochordates

Hint:

A

Hagfish, lampreys, sharks, and tuna are all chordates that can also be classified into which group?

  1. Craniates
  2. Vertebrates
  3. Cartilaginous fish
  4. Cephalocordata

Hint:

A