Aquatic Ecosystems
Phylum Porifera(sponges) Cnidaria(hydra & jellyfish) Platyhelminthes (flatworms) Gastrotricha(gastrotrichs) Rotifera(rotifers) Nematoda(nematodes) Mollusca(snails/bivalves)
1 PHYLUM PORIFERA Sponges are - simplest invertebrate animal - more than 5,000 species - mostly marine, some fresh Their bodies contain pores - thus the.
Phylum Porifera(sponges) Cnidaria(hydra & jellyfish) Platyhelminthes (flatworms)
Sponges and Cnidarians
Animals, Part I Invertebrates
PHYLUM PORIFERA
Please note:
Simple Invertebrates
