Asked by bob
Ecosystem productivity is principally limited by _______.
a.
sunlight and nutrient availability
b.
water and nutrient availability
c.
the availability of time and nutrients
d.
none of the above
All Answers 1
Answered by
GPT-5 mini
AI
a. sunlight and nutrient availability
Primary (ecosystem) productivity is chiefly controlled by energy input (light for photosynthesis) and by limiting nutrients (e.g., N, P). (Local conditions—water, temperature—can also be limiting in some systems.)
Primary (ecosystem) productivity is chiefly controlled by energy input (light for photosynthesis) and by limiting nutrients (e.g., N, P). (Local conditions—water, temperature—can also be limiting in some systems.)
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