Examlex
Which of the following is a postzygotic isolating mechanism?
Marginal Cost
The additional cost incurred to produce one more unit of a good or service, highlighting the cost variations when adjusting production levels.
Fixed Costs
Expenses that do not change in proportion to the activity of a business, such as rent, salaries, and loan payments.
Competitively Organized
A market structure where multiple firms compete against each other, allowing for a wide range of choices for consumers and promoting efficiency.
Monopoly
A market structure characterized by a single seller, selling a unique product in the market with no close substitutes.
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