Embryo tissue layers
Ectoderm
Mesoderm
Endoderm
Radial symmetry
Starfish
Bilateral symmetry
Butterflies
Phylum porifera
Sponges
Medusa
Jellies
Polyp
See anemone
Corals
Portuguese man of war
Where does the cnidarians food go to
The gastrovascualar
Phylum Platyhelminthes
Flatworms