Many Species of Field Mice Are Able to Reproduce Several

question 79

Multiple Choice

Many species of field mice are able to reproduce several times a year and produce litters with multiple offspring. However, an ecologist noted that the population size of mice, as measured in a California grassland, did not change from year to year. The factors that keep natural populations from increasing are collectively called:

• A)nonliving factors.
• B)biotic potential.
• C)scramble competition.
• D)exponential growth.
• E)environmental resistance.

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Definitions:

Benchmark Portfolio

A standard or point of reference against which the performance of an investment portfolio can be measured.

M-Squared Measure

A measure used in finance to evaluate the performance of an investment portfolio by adjusting for its risk level compared to a benchmark.

Risk-Adjusted Return

This is a measure of how much risk is involved in generating a security's or portfolio's return, helping investors to compare the performance of different investments on a risk-adjusted basis.

Total Risk

The overall uncertainty associated with an investment, combining both systemic and idiosyncratic risks.