14. What are the main classes
into which the phylum is
divided? What are some
examples of each and in which
form (polyp or medusae) are
they found?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Coelenterates are divided three
main classes: , scyphozoans
and anthozoans. hydrozoans the
polypoid predominates and
examples hydras, by-the-wind-sailors
and . In scyphozoans the
phase is the and the
best example is the
jellyfish (Aurelia). In there
is only polypoid form and and
sea anemones notable in this .