Stinging Celled Organisms

1. Most stinging celled animals only have one opening.
2. Their bodies are very simple.
3. There are hundreds of species.
4.  They can regenerate.
5.  Their stings are not electric.  They are caused by micro-barbs.
6. They can be all shapes & sizes. 
7. They live underwater.

this is a hydra

this is some coral

this is a Portuguese man-o-war

this is a sea anemone