何谓生态学? t the total relations of the animal to both its organic and its inorganic environment(Haeckel 1869) o the scientific study of the distribution and abundance of organisms(Andrewartha, 1961) the study of the structure and function of nature 0dum,1963) o the scientific study of the interactions that determine the distribution and abundance of organisms(Krebs, 1994)何谓生态学?  the total relations of the animal to both its organic and its inorganic environment (Haeckel, 1869)  the scientific study of the distribution and abundance of organisms (Andrewartha, 1961)  the study of the structure and function of nature (Odum, 1963)  the scientific study of the interactions that determine the distribution and abundance of organisms (Krebs, 1994)