biologi klasifikasi
Porifera and Cnidarians
Phylum: Porifera The Sponges. D. Class Calcarea (Calcispongiae) 1. These are calcareous sponges with spicules of calcium carbonate. 2. The spicules are.
Porifera and Cnidarians by Kayla Wallace 6th Grade Mrs. Plunkett 20II/Taxa/b1313_ch18.htm.
