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The Biosphere and Its Importance

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Questions and Answers

Which term is used to describe the worldwide sum of all ecosystems?

Biosphere (correct)

Ecosphere

Hydrosphere

Lithosphere

What is the biosphere's relationship with matter?

Virtually closed system with minimal inputs and outputs (correct)

Open system with constant inputs and outputs

Open system with minimal inputs and outputs

Completely closed system with no inputs or outputs

What is the primary source of energy for the biosphere?

Photosynthesis (correct)

Nuclear fusion

Chemical reactions

Geothermal energy

Which term is used to describe the biosphere as a closed system with regard to matter?

Ecosphere (A) Signup and view all the answers

What is the primary source of energy captured by the biosphere?

Photosynthesis (C) Signup and view all the answers

What process is believed to have led to the evolution of the biosphere?

Biopoiesis (B) Signup and view all the answers