Organismal Biology — Lab 9 online
ANIMAL DIVERSITY I:
Porifera, Cnidaria, Ctenophora, Platyhelminthes, Rotifera, Annelida
Download the instructions for this lab.
Phylum Porifera (sponges)
 sponges in a colony  Grantia (class Calcarea) |  Venus flower basket Euplectella (class Hyalospongea =Hexactinellida)  spicules of a glass sponge (class Hyalospongea)  bath sponge Spongea (class Demospongea) |
Phylum Cnidaria
Class Hydrozoa  Hydra |
 Hydra (details) |
 Obelia: feeding individuals in a colony . |
 Obelia: reproductive members of a colony |
Class Scyphozoa   |  Crossota  |
 | |
Class Anthozoa  Sea anemone (Actinia)  coral polyps  coral: skeleton of a small colony  detail of coral skeleton |
 Stony coral (Diploria)  Stony coral (Diploria)  Staghorn coral (Acropora)  Sea fan (Gorgonia), supporting a diverse local ecosystem |
 Dryodora |  Mertensia |  Mnemiopsis |
Evolution of body cavities
Phylum Platyhelminthes
Class Turbellaria  |  |  |
Class Trematoda (flukes)  Chinese liver fluke (Clonorchis) |  |  |
Class Cestoda (tapeworms)  |  |  Scolex (head) of a tapeworm |
 |  |  |
Phylum Annelida (segmented worms)      
   Revised March, 2020 |