Which of the following examples best describes a disturbance that is likely to result in significant, long-lasting changes to an ecosystem? Choose 1
Choose 1

(Choice A)
A
A warm, wet growing season leads to a 5\%5%5, percent increase in acorn production by oak trees.

(Choice B)
B
A hurricane storm surge washes away many grasses and flattens the sand dunes that border a beach.

(Choice C)
C
A colder-than-average winter results in a delayed thaw, causing a small lake to remain frozen for longer than usual.