Sponges

=**SPONGES**=



http://www.mbgnet.net/salt/oceans/animals/sponges.htm


 * __Digestive system- Max__**
 * __Nervous system- Sarah__**
 * __Body plan- Jenna__**
 * __Picture- Max__**
 * __Positive impact on humans- Sarah__**
 * __Negative impact on humans- Jenna__**
 * __1 interesting fact- Sarah__**