Which of the Following Is Primarily Responsible for Limiting the Number

question 49

Multiple Choice

Which of the following is primarily responsible for limiting the number of trophic levels in most ecosystems?

• A) Many primary and higher-order consumers are opportunistic feeders.
• B) Decomposers compete with higher-order consumers for nutrients and energy.
• C) Nutrient cycling rates tend to be limited by decomposition.
• D) Energy transfer between trophic levels is usually less than 20 percent efficient.

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Gas Station

A retail establishment that sells fuel and engine lubricants for motor vehicles.

Profit-Maximizing Quantity

The level of output at which a company can achieve the highest profit, where marginal revenue equals marginal cost.

Panel

A group of people gathered to discuss, investigate, or decide on issues within a particular field or subject.

Intersection

The point at which two or more lines or paths cross each other.