An Ecologist Samples Trees in 50 Plots in a Forest

question 24

Multiple Choice

An ecologist samples trees in 50 plots in a forest to determine the number of species in the forest.When a species accumulation curve is used to plot the cumulative number of tree species (y axis) against the number of samples taken (x axis) ,the optimal sample size needed to determine species richness is represented by the point at which the curve

• A)is steepest.
• B)is highest,after which it dips downward.
• C)flattens.
• D)is lowest.

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