Organization and Symmetry in Kingdom Animalia
12:01
Phylum Porifera: Sponges
12:21
Animals: Tour of 9 Phyla
16:33
Classifying Animals: Digestion & Symmetry
13:05
Major Divisions of Kingdom Animalia and the Problem With Animal Phyla
14:05
Phylum Annelida Part 3: Oligochaeta and Hirudinea (Segmented Terrestrial/Aquatic Worms and Leeches)
7:47
Phylum Placozoa: Plate Animals
9:02
Phylum Platyhelminthes Part 1: General Characteristics
14:02