Food Chains Are Sometimes Short Because

question 73

Multiple Choice

Food chains are sometimes short because

• A) only a single species of herbivore feeds on each plant species.
• B) local extinction of a species causes extinction of the other species in its food chain.
• C) most of the energy in a trophic level is lost as it passes to the next higher level.
• D) predator species tend to be less diverse and less abundant than prey species.
• E) most producers are inedible.

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Definitions:

Contract Curve

In economics, a curve that represents the set of optimal allocations of resources or goods for which both parties can be no better off with any other division.

Efficient Allocations

The process of distributing resources in a way that optimally utilizes them to achieve maximum productivity and utility without any wastage.

Federal Gasoline Tax

A tax imposed by the federal government on the sale of gasoline, used primarily to fund transportation infrastructure projects like highways and bridges.

Substitutes

Products or services that can replace each other in use, such that an increase in the price of one leads to an increase in the demand for the other.