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 are triploblasts? Select all that apply

Which organisms are coelomates? Select all that apply