Natural Selection

question 34

Multiple Choice

Natural selection:

• A)predicts that the addition of antibiotics to an environment does not directly cause organisms to become resistant
• B)explains how antibiotic resistance can be maintained in a population
• C)doesn't consider competition between strains
• D)two of these

---

Definitions:

Opportunity Cost

Losing out on potential advantages from multiple alternatives by committing to one.

Crude Oil

A naturally formed, crude oil substance made up of hydrocarbon accumulations and various organic compounds.

Tractors

Agricultural machinery used for plowing, tilling, planting, and similar tasks in farming, essential for modern agriculture.

Comparative Advantage

The ability of an entity to produce a particular good or service at a lower opportunity cost than another, supporting the basis for beneficial trade.