CNIDARIANS

Characteristics: cnidarians is an invertebrate aquatic animal. It contains a gastrovascular cavity which is an internal sac for digestion. The body wall of the cnidarian has three layer the epidermis,mesoglea, and gastrodermis.
Scientific name: Cnidaria Scyphozoa Aurelia
- there is about 2000 species in this group

Hyperlink:
1. http://a-z-animals.com/animals/jellyfish/
2.http://www.ucmp.berkeley.edu/cnidaria/cnidaria.html