1. Otherwise known as “Cool Coral and Friends!”

2.  Common Characteristics ◦ Live in water ◦ Stinging cells (nematocysts) to capture prey and defend themselves ◦ Nerve net-network of nerve cells that cover a cnidarians' body ◦ Radial body symmetry

3.  Two body shapes- ◦ Polyp and Medusa  Tentacles with stinging cells  One mouth opening where food comes in and waste goes out  Central cavity contains cells which release digestive chemicals to break down food Polyp Medusa

4.  Reproduce Sexually ◦ Male and female cnidarians release sperm and eggs into the water at the same time  Reproduce Asexually ◦ Polyp cnidarians bud-grow a new organism that breaks off into a new individual organism ◦ Cnidarians can also regenerate-grow new body parts Jellyfish Life Cycle

5. Venus Flytrap Anemone Portuguese Man of War

6. Of course…we know this is a medusa, not a polyp!