Marginal Cost Is Best Defined as

question 328

Multiple Choice

Marginal cost is best defined as

• A) the extra cost of producing one more unit of output.
• B) the profit earned from selling one more unit of output.
• C) the price received from selling one more unit of output.
• D) equal to producer surplus.

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Definitions:

Character Displacement

A phenomenon where differences among similar species whose distributions overlap geographically are accentuated in regions where the species co-occur but are minimized or lost where the species' distributions do not overlap.

Keystone Species

A species that has a disproportionately large effect on its ecosystem, influencing the types and numbers of other species in a community.

Sea Stars

Sea stars, also known as starfish, are marine invertebrates belonging to the class Asteroidea, known for their radial symmetry and a body plan consisting of a central disc from which arms (or rays) extend.

Intertidal Zone

The area of the shoreline that is exposed to the air at low tide and submerged under water at high tide, home to diverse organisms.