Approximately what proportion of the radiant energy entering an ecosystem is used in photosynthesis?
A) 1%
B) 4%
C) 10%
D) 50%
E) 75%

Question

Quizplus · Accepted Answer

Only about 1% of the radiant energy (sunlight) that reaches an ecosystem is used by plants for photosynthesis. The majority is either reflected back into the atmosphere, absorbed by other materials, or used in processes other than photosynthesis.

Approximately What Proportion of the Radiant Energy Entering an Ecosystem