If Two Organisms Use the Same Resources and Those Resources

question 67

Multiple Choice

If two organisms use the same resources and those resources are insufficient to supply their combined needs, the organisms' interactions constitute

• A) amensalism.
• B) mutualism.
• C) commensalism.
• D) predator-prey.
• E) competition.

---

Definitions:

Healthy Life Expectancy

The average number of years that an individual is expected to live in a state of good health, subtracting years of ill health adjusted for severity.

Population Density

A measurement of the number of individuals living per unit area.

Coronary Heart Disease

A condition characterized by the narrowing of the coronary arteries, leading to a decreased blood supply to the heart muscle, often resulting in chest pain or heart attacks.

Life Expectancy

The average period that an individual is expected to live as determined by statistical analysis, often varying by geographical location, time period, and other factors.