Create a free account!

When you create an account, we'll save your progress. Plus, you'll have access to some cool tools, like reports, assignments, gradebook, and awards.

Use the following list of animals to fill in the blanks. Write the corresponding letter in the correct blank. (eg: “A”)

(A)  Platyhelminthes

(B)   Nematode

(C)   Chordates

(D)  Echinoderms

(E)   Cnidarians

roundworms

jellyfish and hydra

include mammals

have radial symmetry with a gastrovascular cavity

includes flatworms

developed last in the evolutionary timeline

Correct!