Biology - Chp 26 - Animals - PowerPoint
Invertebrates Eight Major Phyla. Phylum Porifera Poriferans/Sponges Contains many pores Grows back together if cut or chopped up.
Invertebrates Echinoderms & Mollusks. VI. Phylum Echinoderma (Spiny Skinned Animals) Starfish, sea urchins, sea cucumbers, and sand dollars belong to.
