Ecology /
Gutnik, Martin J.
Ecology / by Martin J. Gutnik. - New York : F. Watts, 1984. - 122 p. : ill. ; 24 cm. - Projects for young scientists .
Includes index.
A collection of environmental science projects which demonstrate the delicate balance of ecological systems and how both people and nature can destroy this balance.
0531047652
83027381 /AC
Ecology--Experiments--Juvenile literature.
Ecology--Experiments.
Science--Experiments.
Experiments.
QH541.24 / .G87 1984
551.5/072
Ecology / by Martin J. Gutnik. - New York : F. Watts, 1984. - 122 p. : ill. ; 24 cm. - Projects for young scientists .
Includes index.
A collection of environmental science projects which demonstrate the delicate balance of ecological systems and how both people and nature can destroy this balance.
0531047652
83027381 /AC
Ecology--Experiments--Juvenile literature.
Ecology--Experiments.
Science--Experiments.
Experiments.
QH541.24 / .G87 1984
551.5/072