Question

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Which statement best describes the flow of energy and the movement of chemical compounds in an ecosystem?

Energy flows out of living organisms and is lost, while chemical compounds remain permanently inside organisms.


Energy is transferred from organism to organism in a food chain, and chemical compounds are recycled


Energy flows into living organisms and remains there, while chemical compounds are transferred from organism to organism.


Chemical compounds flow in one direction in a food chain and energy is produced.

Answer 1

C

Step-by-step explanation:

Energy flows while matter cycles

Answer 2

This is because in biology, energy is transferred from organism to organism and some energy is lost along the way. Each energy transfer results in a loss of energy, so that energy is always at a lower level and can never be returned to its original high energy level. On the other hand, chemical elements can form products, then that reaction can be reversed and break back down into reactants. Additionally, the law of conservation of matter says that matter can't be created or destroyed, only transferred from one form to another.