MeSH(Medical Subject Headings) 맞춤 검색 (http://www.nlm.nih.gov) 결과 : 1 페이지: 1
Ecology - 새창
The branch of science concerned with the interrelationship of organisms and their ENVIRONMENT, especially as manifested by natural cycles and rhythms, community development and structure, interactions between different kinds of organisms, geographic distributions, and population alterations. (Webster's, 3d ed)
