Why Are Food Chains Relatively Short

question 28

Multiple Choice

Why are food chains relatively short?

• A) Top-level feeders tend to be more numerous than lower-trophic-level species.
• B) Top-level feeders tend to be small but are capable of conserving more energy.
• C) Longer chains are less stable and energy transfer between trophic levels is inefficient.
• D) There are only so many organisms that are adapted to feed on other types of organisms.
• E) Food-chain length is ultimately determined by the photosynthetic efficiency of producers.

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Definitions:

Serotonin

A neurotransmitter in the brain that plays a key role in stabilizing mood, feelings of well-being, and happiness. It also affects sleep, appetite, and digestion.

Norepinephrine

A neurotransmitter and hormone associated with the body's fight or flight response, affecting mood, attention, and responding actions.

Maladaptive Behavior

Actions or tendencies that are counterproductive to oneself or harmful, often as a result of inadequate coping mechanisms.

Primary Prevention

Strategies or actions taken to prevent the occurrence of diseases, injuries, or psychological problems before they happen.