Multiple Choice
What is one way in which the movement of energy and chemicals differ in an ecosystem?
A) Energy flow is unidirectional; chemical elements can be recycled.
B) Energy can enter but cannot leave an ecosystem; chemical elements can leave but cannot enter an ecosystem.
C) Energy flows from lower to higher trophic levels; chemicals cycle from higher to lower trophic levels.
D) Both energy and chemical elements always remain within a single ecosystem.
Correct Answer:
Verified
Correct Answer:
Verified
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