Enter your Name:   Enter your E-mail Address:  01a. Invertebrates 01b. Vertebrates 01c. Nematocysts 01d. Posterior end 01e. Hermaphroditic 01f. Mantle 02a. Place this organism in one of the following phyla: Porifera, Cnidaria, Annelida, Mollusca, Platyhelminthes 02b. Place this organism in one of the following phyla: Porifera, Cnidaria, Annelida, Mollusca, Platyhelminthes 02c. Place this organism in one of the following phyla: Porifera, Cnidaria, Annelida, Mollusca, Platyhelminthes 02d. Place this organism in one of the following phyla: Porifera, Cnidaria, Annelida, Mollusca, Platyhelminthes 02e. Place this organism in one of the following phyla: Porifera, Cnidaria, Annelida, Mollusca, Platyhelminthes 03. Are the following organisms univalve or bivalve mollusks? 04. What do sponges eat and where do they get their food? 05. What is the difference between a hard, prickly sponge and a soft sponge? 06. Which phylum of animals discussed in this module has nematocysts? 07. Identify the organs (a-g) in the following figure: 07a. Organ A 07b. Organ B 07c. Organ C 07d. Organ D 07e. Organ E 07f. Organ F 07g. Organ G 08. An earthworm's seminal vesicle is full. Has it mated yet? 09. What function does the cuticle perform in an earthworm? 10. Two planarians are studied. The first has a complex nervous system and the second does not. Which one is most likely the parasitic planarian? 11. What is the common mode of asexual reproduction among the organisms of phylum Cnidaria? 12. What is the common mode of asexual reproduction among the organisms of phylum Platyhelminthes?