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自有人类以来,人类在地球上至少和160万个物种共同生存。由于这些生物之间以及生物和自然环境因素之间的相互影响、机互作用、相互制约,使人类的生存与繁衍、生存与健康和各个种群之间形成了微妙的、脆弱的平衡。人类的活动影响着自然环境的变化和其他种群的生长、
Humans have lived with at least 1.6 million species on earth since their inception. Because of the mutual influence, interaction, and mutual restraint between these organisms and between biological and natural environmental factors, a delicate and fragile balance has been formed between human existence and reproduction, survival and health, and various populations. Human activities affect the changes in the natural environment and the growth of other populations,