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mat mat
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6 years ago
Which of the following sampling techniques represents an index of abundance rather than an estimate of density?
A) number of oak trees within a quadrat
B) number of bear droppings along a trail
C) ratio of marked and unmarked mice in a field
D) number of ducks on a pond
Textbook 
Elements of Ecology

Elements of Ecology


Edition: 9th
Author:
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6 years ago
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