Spermarche Describes The

question 23

Multiple Choice

Spermarche describes the:

• A) increase during puberty in the number of sperm contained in ejaculate.
• B) maturation of sperm into viable sperm cells capable of fertilizing an egg.
• C) first ejaculation of sperm by an adolescent male.
• D) first ejaculation by an adolescent male, often not containing sperm.

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Definitions:

Marginal Cost

The expenditure involved in the production of one extra unit of a product.

Marginal Cost

The sum required to produce an extra unit of a product or service.

Variable Input

An input in the production process that can be adjusted in the short run to change the level of output, such as labor hours or raw materials.

Marginal Cost

The investment required to manufacture one more unit of a product or service.