Where is the alligator and T. rex's common ancestor?

Which organism goes in the D position?

Which organism goes in the B position?

D is more closely related to A than to C.

Sponges

Insects

Starfish

Segmented worm

Which phylum includes jellies, sea anemones, and hydras?

What type of symmetry do most cnidarians have?

What type of symmetry do most nematodes have?

What type of symmetry do most annelids have?

Which organisms are deuterostomes? Select all that apply

Which organisms have a cuticle that molts? Select all:

Members of Porifera have body tissues.

Platyhelminthes are most closely related to:

Which traits do members of Mollusca have? Select All: