Phylum Cnidaria – General Biology

cnidaria  Invertebrates in the Plankton: Cnidaria & Ctenophora Cnidaria Hydrozoa are a class of jellyfish in the Phylum Cnidaria Many of them show a phenomenon known Lesson Summary Cnidaria and Ctenophora are two phyla of aquatic invertebrates Cnidarians and ctenophores have a similar basic body structure that lacks true

Cnidaria · Subphylum Anthozoa · Subphylum Medusozoa Environment marine, brackish, fresh, terrestrial  These are used for anchorage, defense and capture of prey Phylum Cnidaria Close-up of Nematocysts Page 5 Cnidarian Life Cycles • Hydrozoa Polyp dominant

Cnidaria is a phylum containing over 10000 species of animals found exclusively in aquatic environments: they are Cnidaria is correlated with the presence of the medusa stage, the gene having been lost in clades that ancestrally lack a medusa (anthozoans