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。 Germs as well as other microorganisms also type the reduce rungs in the food chain. They attain their Strength from photosynthesis or by breaking down lifeless organisms, waste or chemical compounds. Some type symbiotic associations with other organisms to acquire their nutrients. In case you’re intent upon https://jamesl703vkx2.wikiworldstock.com/user