The Communities Established Under Pure Stands of Eastern Hemlock Will

question 30

Multiple Choice

The communities established under pure stands of eastern hemlock will likely become extinct because of ____.

• A) feeding on the trees by the wooly adelgid
• B) the Bd infection of hemlock trees
• C) pathogenic viruses attacking these populations
• D) pathogenic fungi attacking hemlock trees
• E) invasive species exploiting their niche

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Definitions:

Survey

A method of gathering data from a sample of individuals to discover information about a larger population.

Data

Information collected for reference or analysis.

Inference

The process of using data analysis to deduce properties of an underlying distribution of probability; drawing conclusions about populations based on sample data.

Optimization Models

Mathematical models that are designed to find the best possible solution or outcome from a set of parameters or constraints.