TY  - BOOK
AU  - Smith,Howard Everett
TI  - Small worlds: communities of living things 
SN  - 068418723X 
U1  - 574.5 22
PY  - 1987///
CY  - New York
PB  - Charles Scribner's Sons
KW  - Biotic communities
KW  - Juvenile literature
KW  - Ecology
N1  - Includes index; What is an ecosystem? --
An old house --
A sand dune --
The world of the milkweed --
A tidal pool --
The world of cliffs and boulders --
An old wooden barn --
A waterfall spray area --
A tree --
A vacant lot --
A fence line on the prairie --
Roadsides
N2  - Describes a number of small self-contained communities, including a sand dune, tidal pool, old barn, and vacant lot, and examines the ways in which the plants and animals interact
ER  -