Which of the Following Processes Is Most Important to Keep

question 53

Multiple Choice

Which of the following processes is most important to keep the population of pine beetles in check?

• A) Hot temperatures in the summertime kill adult beetles.
• B) Prolonged drought in the summertime kills beetle larvae.
• C) Infested trees secrete a substance poisonous to beetles.
• D) Infested trees host a symbiotic fungus that is poisonous to beetles.
• E) Cold temperatures in the wintertime kill beetle larvae.

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Definitions:

Unemployment Rate

The rate of joblessness among individuals in the labor force who are earnestly seeking employment.

Labor Force

The total number of people who are employed and those unemployed but seeking work in an economy.

Total Population

The complete count of all individuals within a specified area or country at a given time.

Officially Unemployed

Individuals who are jobless, actively seeking work, and available to take a job, as defined and measured by official government statistics.