animal No Further a Mystery
https://www.facebook.com/ktkbullieselite/videos/988153363452742知乎,让每一次点击都充满意义 —— 欢迎来到知乎,发现问题背后的世界。Aristotle was uncertain whether sponges were animals, which in his procedure must have sensation, appetite, and locomotion, or crops, which didn't: he understood that sponges could sense