A Simple Tree Community Consists of 4 Maples, 3 Oaks

question 2

Multiple Choice

A simple tree community consists of 4 maples, 3 oaks, and 1 alder. The species richness of this community is

• A) 0.42.
• B) 0.97.
• C) 1.5.
• D) 3.
• E) not possible to calculate from the data given.

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Definitions:

Placebo

A placebo is an inactive substance or treatment given to a participant in a study, serving as a control to test the effectiveness of the actual treatment.

Depressive Symptoms

Emotional and physical signs indicating depression, such as persistent sadness, lack of energy, and changes in sleep or appetite.

Cleanliness Obsession

An excessive preoccupation with cleanliness, often associated with obsessive-compulsive disorder (OCD).

Conditioned Response

A learned response to a previously neutral stimulus, resulting from its association with an unconditioned stimulus.