You Are Interested in Studying How Organisms React to a Gradient

question 52

Multiple Choice

You are interested in studying how organisms react to a gradient of a variety of abiotic conditions and how they coexist in this gradient. The best location in which to conduct such a study is

• A)a grassland.
• B)an intertidal zone.
• C)a river.
• D)tropical forest.
• E)an eutrophic lake.

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Definitions:

Explicit Costs

Direct, out-of-pocket expenses incurred in the operation of a business or the execution of a transaction.

Production

The process or method of creating goods and services through the combination of labor, materials, and technology.

Fixed Inputs

Resources in production that remain constant in quantity regardless of the level of output or activity.

Variable Inputs

Resources used in production that vary with the level of output, such as raw materials.