The driving force behind all life cycles in the entire biosphere is ________.
A) the Sun
B) water
C) nitrogen
D) hydrogen
E) oxygen

Question

Quizplus · Accepted Answer

The Sun provides the energy needed for photosynthesis, which is the basis for most life cycles in the biosphere. Without the Sun, there would be no plants, no food for animals, and no oxygen production through photosynthesis. Therefore, the Sun is the driving force behind all life cycles in the biosphere.

The Driving Force Behind All Life Cycles in the Entire