SPONGES
DVD
Connect with a representative to create a custom curriculum for your district.
Through animations and time-lapse microscopy, clarify the structure, function, classification, and ecological roles of sponges—animals with no mouth, no digestive system, no excretory or circulatory organs, no brain or nervous system, and no movement as an adult. 15 minutes. ©2005.
Quantities are limited.
| ISBN | 9781930527324 |
|---|