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AP Environmental Science/Unit 3: Populations
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Ecosystem Stability and Carrying Capacity
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The table below shows the population fluctuation as a percentage of carrying capacity (K) for four ecosystems.

Ecosystem Fluctuation as % of K
1 5%
2 15%
3 25%
4 35%

Given that a lower fluctuation percentage indicates greater population stability, which of the following correctly ranks the ecosystems from most stable to least stable?

A

4, 3, 2, 1

B

1, 2, 3, 4

C

2, 1, 4, 3

D

3, 4, 1, 2

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