Question

1. why is earth’s biosphere called “the living earth”?

Explanation:

The biosphere encompasses all regions of Earth where life exists, including the atmosphere, hydrosphere, and lithosphere. It contains all living organisms (plants, animals, microbes) and their interactions. Since it is the global sum of all ecosystems and harbors life, Earth's biosphere is called "the living Earth" as it is the zone of life on the planet.

Answer:

Earth's biosphere is called "the living Earth" because it is the global ecological system integrating all living organisms (plants, animals, microbes) and their interactions with the atmosphere, hydrosphere, and lithosphere. It encompasses all regions of Earth where life exists, making it the zone of life on the planet.