What is bio meaning?

The prefix "bio" comes from the Greek word "bios", meaning "life". It is often used in words related to biology, the study of living organisms. For example, "biochemistry" is the study of chemical processes in living organisms, "biotechnology" refers to the use of living organisms or their components to produce useful products, and "biosphere" is the global ecological system involving all living organisms and their interactions with each other and the environment. The prefix "bio" can also be used in words related to life or living things, such as "biography" (a written account of someone's life) or "biosafety" (the measures taken to prevent the spread of harmful biological agents).