E1C3O1L1O1G2Y4
13 points
ECOLOGY is validvalid
an environmental science [n ECOLOGIES]
the study of the interrelationships between life forms and their environment, also OECOLOGY [n ECOLOGIES]
an environmental science [n ECOLOGIES]
the study of the interrelationships between life forms and their environment, also OECOLOGY [n ECOLOGIES]