00549pam a2200157 a 4500020002700000020001800027082001200045100002500057245003400082260005800116300004800174520012400222650001200346650001300358700002000371  a053865208X (hardcover)  a978053865208700a574 LEO1 aLeonard, William H.,10aBiology : a community context  aCincinnati :bSouth-Western Educational Pub.,cc1998.  axv, 576 p. :bill. (some col.), col. maps ;  aAn overview of the field of biology, including such topics as matter and energy, ecosystems, populations, and genetics. 0aBiology 1aBiology.1 aPenick, John E.