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Lola617 Lola617
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5 years ago
The density of Douglas firs in an old-growth forest is estimated by counting the Douglas firs in four sample plots of 1 hectare each. The number of fir trees in the plots is 10, 12, 7, and 11, respectively. What is the estimated density of firs in the forest?
A) 5 trees per hectare
B) 10 trees per hectare
C) 20 trees per hectare
D) 25 trees per hectare
Textbook 
Campbell Biology: Concepts and Connections

Campbell Biology: Concepts and Connections


Edition: 8th
Authors:
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sg000sg000
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5 years ago
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