div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Leti src=https:reader038fdocumentostipsreader038viewer202211031755d02f26bb61eb84438b4811html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divpUNIDAD 1p pBASES DE LA ECOLOGIAp pECOLOGIAp pAMBIENTEp pES RAMA DE LAp pBIOLOGIAp pES UNA ZONA GEOGRAFICAp pHERNEST HAECKEL 1869p pUTILIZA EL TERMINO ECOLOGIA ---ENTENDER Y RECONOCERpdiv