TY - BOOK AU - Mariner,James L. TI - Understanding ecology SN - 0883340704 U1 - 574.5/M338 PY - 1968/// CY - Wellesley Hills, Mass. PB - The Independent School Press KW - Ecology N1 - Recommended text : AG104 (Agriculture) Withdrawn N2 - An introduction to ecology discussing life cycles, the balance of nature, and the influence of natural forces and climate on the existence of various forms of life ER -