The Flow of Energy in an Ecosystem

question 11

Multiple Choice

The flow of energy in an ecosystem

• A) decreases by 90% at each trophic level.
• B) is a discrete amount transferred without change.
• C) transfers from plants to carnivores to herbivores.
• D) is wasted by the decomposers.
• E) involves all of these.

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Definitions:

Monopolistic Competition

Market structure in which large numbers of buyers and sellers exchange heterogeneous products so each participant has some control over price.

Homogeneous Product

A product that is virtually indistinguishable from the same products offered by different suppliers in the market.

Control Over Price

The ability of a company or seller to dictate the price of a product or service in the market.

Pure Competition

A market structure characterized by an extremely high level of competition, where there are many sellers offering standardized products.