Animals the first many-celled animals : sponges

Bibliographic Details
Corporate Author: Department of Science and Technology(DOST)
Other Authors: Lopez, Gary (Producer), Holland, Nicholas (Collaborator), Deem, Robert (Collaborator)
Format: Visual Material
Language:English
Published: Chicago, Ill. Encyclopedia Britannica Educational Corporation [1992]
Series:Britannica's science and technology video library
Subjects: