Cnidarians

__**Digestive system**__ __**Nervous system**__ **By Nathan: Cnidarians have a nervous system called a nerve net** __**Body plan:**__ Most cnidarian have radial symmetry, and all have an exoderm and endoderm.**-By Anusha** __**Picture**__ **By Nathan:** __**Positive impact on humans**__ __**Negative impact on humans**__ __**1 interesting fact:**__ There are over 9000 species of cnidarians roamingg the seas and oceans. **--By Anusha**
 * Cniderians**