Question

all of earths places where life exists is called the

a biosphere
b biome
c ecosystem
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Explanation:

• Biosphere: It is the global sum of all ecosystems, representing all places on Earth where life exists.
• Biome: A large community of flora and fauna occupying a major habitat (e.g., tropical rainforest biome). It is a part of the biosphere.
• Ecosystem: A biological community of interacting organisms and their physical environment. It is a smaller unit compared to the biosphere.

Answer:

A. Biosphere