Sponges


 * SPONGES**

__**Digestive system**__ __**Body plan--**__Sponges are Asymmetrical -By Allison Rokus __**Picture**__ __**Positive impact on humans**__ __**Negative impact on humans**__ __**1 interesting fact**__
 * Nervous system-** Sponges do not have a nervous system- By Becca Groer