Glacier Bay in Alaska is a fjord whose lowlands were covered by glacial ice until around 230 years ago

As the glacier retreated, glacial till was exposed to plant colonization; remarkably
(and fortunately for generations of ecologists), the location of the tip of the retreating glacier
has been frequently documented since the late 1700's. This means that scientists have been
able to develop a detailed timeline of the changes in the plant community, or _____ in Glacier
Bay over time.
A. ecological succession
B. niche diversification
C. niche divergence
D. competitive exclusion
E. none of these


A

Biology & Microbiology

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