What is bio definition?

Bio is a prefix that is derived from the Greek word bios, which means life. In modern usage, it is used in several scientific and medical contexts to refer to various aspects of living organisms.

For instance, in biology, the study of life and living organisms, "bio" is used in terms such as biosphere, biotic factors, biochemistry, and biodiversity, among others. Meanwhile, in medicine, the prefix is commonly used to refer to life functions, such as "biofeedback," a technique that uses electronic monitoring devices to help people control their physiological responses to stress or pain.

Overall, "bio" brings to mind the idea of life, living organisms, and the various processes and functions that support life. It is a key concept in many scientific disciplines and has profound implications for our understanding of the natural world and our place in it.