What Is the Most Likely Reason That the Curve in the Top

question 92

Multiple Choice

What is the most likely reason that the curve in the top graph mostly levels off between five and ten species?

• A) The prairie community only has five to ten niches.
• B) The community is approaching its maximum productivity,given the resources available.
• C) With more than 10 species,competition prevents further productivity.
• D) With more than 10 species,species diversity no longer influences productivity.
• E) The additional species must be smaller and therefore contribute less to the biomass.

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Definitions:

Primacy Effect

The tendency to remember information at the beginning of a list better than information that comes later.

Impression Formation

The process by which individuals organize information about another person to form an overall impression of that person.

Primacy Effect

The tendency to remember and give more weight to information that we encounter first in a list or presentation.

Impression Formation

The process by which individuals integrate various pieces of information about another person to form a global impression of them.