Ecosystems
By: Douglas Herridge, Barbara Chernin.
Contributors: Siamon, Jeff.
Publisher: Gage Educational Pub.
Published: 1994
Place of publication: Vancouver
Language: eng
Number of pages: 70
Subjects: Biotic communities.; Endangered ecosystems.; Ecology.; Adaptation (Biology)
Notes: Includes index.

"Integrated visual resource"

Approved for use in Ontario schools for Junior and Intermediate [Environmental] Science.

Student book approved for use in Ontario schools 1998, Grade 7 Science and Technology.

Teacher's resource book by Doug Herridge, Jeff Siamon.

Teacher's resource book includes blackline masters.

OISE/UT CR copy 1 lacks teacher's resource book.

CR

ALM