Cnidarians

Good Afternoon!
Please use the following websites research the Cnidarian Phyla.

http://www.ucmp.berkeley.edu/cnidaria/cnidaria.html

http://www.pbs.org/kcet/shapeoflife/animals/cnidaria.html

http://nationalzoo.si.edu/Animals/Invertebrates/Facts/cnidarians/default.cfm