Which term is used to describe all living communities on earth, including animals, plants, bacteria, fungi and photosynthetic microbes?

Biosphere

The correct answer is Option (1) - Biosphere

The correct term is: Biosphere

• Biosphere refers to all living things on Earth, encompassing all the diverse communities, from the deepest ocean trenches to the highest mountaintops.

• Community refers to a group of organisms living in the same area and interacting with each other. Biosphere is a much larger scale than a community.
• Habitat is the specific environment where an organism lives. Biosphere includes all habitats on Earth.
• Biome refers to a large geographical area with similar plants and animals. Biosphere encompasses all biomes.