Earth's ecosystems /
authors : Mary Atwater ...[et al.].
- New York : Macmillan / McGraw-Hill, c1993.
- 110 p. : col. ill.
- Macmillan / McGraw-Hill science .
Includes glossary and index.
Ecology--Juvenile literature
Biotic communities--Juvenile literature
Includes glossary and index.
Ecology--Juvenile literature
Biotic communities--Juvenile literature