Which of the Following Is Primarily Responsible for Limiting the Number

question 23

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 cycles involve both abiotic and biotic components of ecosystems.
• D) Nutrient cycling rates tend to be limited by decomposition.
• E) Energy transfer between trophic levels is usually less than 20 percent efficient.

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Definitions:

Bipolar Disorder

Bipolar Disorder is a mental health condition marked by extreme mood swings that include emotional highs (mania or hypomania) and lows (depression).

Manic Episodes

Periods of abnormally elevated mood, energy levels, and hyperactivity, often associated with bipolar disorder.

Depressive Episodes

Periods characterized by feelings of extreme sadness, hopelessness, and a lack of interest or pleasure in activities, significantly affecting a person's daily life.

Ritalin

A stimulant medication commonly used to treat Attention Deficit Hyperactivity Disorder (ADHD) and narcolepsy, known generically as methylphenidate.