000 00546nam a2200157 a 4500
005 20220321151850.0
008 080929s19uu xx 00 eng d
020 _a0072958839
245 1 0 _aNatural science 1 :
_bdepartment of biological and physical sciences.
250 _a4th ed.
260 0 _aBoston :
_bMcGraw Hill's Custom Pub,
_cc2003.
300 _ax, 269p. : ill. ; 28 cm.
500 _aGlossary : p. 249 - 257. Bibliography : p. 259 - 261. Includes index.
650 _aEcology
_xJuvenile literature.
650 _aEcology
_xEncyclopedias.
999 _c54117
_d54117