The Dynamics of an Ecosystem Depends on Two Main Processes

question 53

Multiple Choice

The dynamics of an ecosystem depends on two main processes, which are ____.​

• A) the cycling of energy and the unidirectional flow of nutrients​
• B) ​the unidirectional flow of energy and the cycling of nutrients
• C) ​the multidirectional flow of both energy and nutrients
• D) ​the unidirectional flow of both energy and nutrients
• E) ​the cycling of both energy and nutrients

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Definitions:

Expected Return

The average return anticipated on an investment over a given period, accounting for the different rates of return and their probabilities.

Portfolio Variance

A measure of the dispersion of the returns of a portfolio, indicating the level of risk involved.

Correlation Coefficient

A numerical indicator that shows the extent of association between two variables' movements.

Standard Deviation

A statistical measure that quantifies the dispersion or spread of a set of data points or investment returns around their mean.