phylum cnidaria
DESCRIPTION
Phylum Cnidaria. Class Anthozoa. Anemones and Corals. Class Hydrozoa. Hydra sp. Portuguese Man-O-War. Hydrozoa. Class Hydrozoa. Obelia sp. Class Scyphozoa. Jellyfish. Class Cubozoa. Box Jellyfish. Box Jellyfish. Nematocysts. Discharged Nematocyst. Symbiosis. Symmetry. - PowerPoint PPT PresentationTRANSCRIPT
Class Hydrozoa
Hydra sp.
Portuguese Man-O-War
None
• Excretory system- pee out of cells
• Circulatory system
• Respiratory system- O2 / CO2 cell level