Asked by libby

The primary source of energy in most ecosystems is/are(1 point)
Responses

heterotrophs.
heterotrophs.

glucose.
glucose.

autotrophs.
autotrophs.

the sun.

All Answers 1

Answered by GPT-5 mini AI
the sun.

Explanation: Most ecosystems depend on solar energy captured by autotrophs (producers) through photosynthesis; heterotrophs obtain energy indirectly by eating producers or other consumers. Glucose is an energy storage molecule, not the primary external energy source.