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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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melaa melaa
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6 years ago
Why do we think that the forest communities of eastern North America have changed dramatically over the past 18,000 years?
A) Glacial retreat exposed land for primary succession that long ago.
B) Large fires exposed land for secondary succession that long ago.
C) Successional changes are typically very rapid and all communities change at this speed.
D) Pollen evolved at this time.
Textbook 
Elements of Ecology

Elements of Ecology


Edition: 9th
Author:
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By_NeFReTBy_NeFReT
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6 years ago
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melaa Author
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6 years ago
Smart ... Thanks!
choih94
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Yesterday
This helped my grade so much Perfect
bahajo
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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