What does the prefix and root word for biosphere say?

Here's the breakdown of the prefix and root word for "biosphere":

* Bio-: This prefix comes from the Greek word "bios," meaning "life."

* Sphere: This root word comes from the Greek word "sphaira," meaning "ball" or "globe."

Therefore, "biosphere" literally means "life sphere" or "the sphere of life." It refers to the part of Earth that supports life, including all living organisms and their physical surroundings.