Which Statement About the Portfolio Effect Is True

question 17

Multiple Choice

Which statement about the portfolio effect is true?

• A) It occurs when variations in one species' population cancels out variation in another so that overall abundance in the community remains the same.
• B) Greater diversity decreases the chances of the portfolio effect occurring.
• C) It was proposed by Robert May.
• D) It is a mechanism that promotes community dynamics.

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Definitions:

Production Blocking

A phenomenon where group members have to wait on each other before they can propose their ideas, leading to a slowdown in the creative process.

Delphi Method

A structured communication technique, often used in forecasting and decision making, that relies on a panel of experts answering questionnaires in two or more rounds.

Nominal Group Technique

A systematic technique for facilitating brainstorming in a group setting, ensuring all members have the opportunity to contribute.

Brainstorming

A creative group activity designed to generate a large number of ideas for the solution to a problem.