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.

---

Definitions:

Shoreline

The shoreline is the boundary line where land meets a body of water, such as an ocean, sea, lake, or river.

Prevailing Winds

Winds consistently coming from one main direction at a specific location on Earth's surface.

Erosive Effects

The results or impacts of erosion, the process by which material from the Earth's surface is worn away by forces such as water, wind, and ice.

Climate Influence

The effect that the Earth's climate has on natural processes, ecosystems, and human societies.