根据维基百科”,所有已知类型的生物能够一定程度的对刺激的回应,繁殖,生长和发育和通过体内平衡自律。”Further, watching a video like the "地球呼吸随着季节的变化”(这是来自美国宇航局)——表面上给了“地球是有生命的”的感觉。

地球的历史可能表明它能够成长和发展。Climate change, I would think shows Earth "responds to stimuli" - and that it is able to "self-regulation" conditions to remain stable and relatively constant. Might even be possible to prove that given all life has a common source, and that source may have common from another planet, that "planets" are able to reproduce. Lastly, think most of Earth Science would agree that at some point "Earth will die" so to speak.

说,似乎很困难,如果不是不可能证明“地球还活着。”

这是为什么,观察是否会导致地球被贴上一个有机体?