a community of living organisms together with their physical environment, interacting as a system
생태계
the place or area in which certain animals, birds, or plants naturally exist, lives, and grows
서식지, 환경
the protection of the natural environment and resources from wasteful human activities
보호, 유지
the capacity to be maintained for a long time and causing no harm to the enviroment
지속 가능성, 유지 가능성
a process in green plants during which the plant synthesizes using water and carbon dioxide
광합성
all wild animals, considered as a whole, living in the natural environment
야생 동물, 자연 생태계
a type of animal or plant that is at risk of becoming extinct
멸종 위기 종, 위기종
everything that exists or happens on the earth, excluding things that humans make or control
자연, 자연환경
a layer of gases in the earth's atmosphere that does not let the sun's ultraviolet radiation pass through
오존층