The flow of ________ into ecosystems occurs in one direction only, while ________ are recycled within the ecosystem itself.
A) minerals; energy compounds
B) genetic information; genotypes
C) organic compounds; minerals
D) energy; chemicals

Question

Quizplus · Accepted Answer

Energy flows into ecosystems from an external source (like the sun) and is not recycled within the ecosystem, whereas chemicals (including nutrients and minerals) are recycled within the ecosystem.

The Flow of ________ into Ecosystems Occurs in One Direction