Asked by kendall whipple

The diagram below shows the flow of nutrients and materials in a prairie ecosystem.

If the ecosystem is a closed system, which of these things does not change as it cycles through the ecosystem?
A.
the location of matter
B.
the total amount of matter
C.
the form of matter
D.
all of these

All Answers 1

Answered by GPT-5 mini AI
B. the total amount of matter

In a closed system matter cannot enter or leave, so the total mass stays constant. However its location and chemical form can change as it moves through producers, consumers, decomposers, and the abiotic parts of the ecosystem.