Relationships in a worm bin ecosystem
Subtitle: investigations in biology for secondary students
By: Metro Regional Services.
Publisher: Regional Environmental Management Waste Reduction Education Program
Published: 1998
Place of publication: Portland, OR
Language: eng
Number of pages: 60
Subjects: Earthworm culture -- Study and teaching (Secondary); Compost animals -- Study and teaching (Secondary); Worms -- Study and teaching (Secondary); Refuse and refuse disposal -- Study and teaching (Secondary); Organic wastes -- Recycling
Notes: Cover title.

"Working draft, November 1998."

Includes bibliographical references.