Strong Evidence in Support of the Common Ancestry of All

question 27

Multiple Choice

Strong evidence in support of the common ancestry of all life comes from which of the following observations about living things?

• A)the fact that decomposers include both bacteria and fungi
• B)the ability of plants to convert light energy to chemical energy
• C)the existence of a nearly universal genetic code
• D)the universal use of protein catalysts by all cells

---

Definitions:

Advertising Elasticity of Demand

The responsiveness of the quantity demanded of a product to a change in the expenditure on advertising.

Rule of Thumb for Advertising

Simplified principles or guidelines that provide a baseline for allocating advertising budgets or measuring advertising effectiveness.

Price Elasticity of Demand

An indicator of the responsiveness of demand for a product to variations in its price, demonstrating how sensitive the quantity of the product demanded is to price fluctuations.

Advertising Elasticity of Demand

A measure of how advertising expenditures influence the quantity demanded of a product or service.