Natural Selection Acts on

question 42

Multiple Choice

Natural selection acts on

• A) mutations.
• B) the needs of a species.
• C) randomly produced variation.
• D) the sex cells.

Recognize the diversity of vertebrates, including fish, amphibians, reptiles, birds, and mammals.

Understand the evolutionary significance of jaws, limbs, and locomotion in vertebrates.

Describe the adaptations of vertebrates to terrestrial life, including reproduction and development.

Differentiate between the characteristics of major vertebrate groups, including fish, amphibians, reptiles, birds, and mammals.

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Definitions:

Shutdown Point

The level of production and corresponding price at which a business's total revenue exactly equals its total variable costs, beyond which the business would start to incur losses.

Output

In economic terms, output refers to the total amount of goods and services produced by an economy or a firm.

Average Total Cost

The cost per unit of output, calculated by dividing the total cost of production by the total number of units produced.

Marginal Revenue

The added revenue procured by vending an additional unit of a good or service.