Solve the Problem $1.3 \%$ Per Year How Long Will It Take for This Country's Population

question 24

Multiple Choice

Solve the problem.
-The population of a certain country is growing at a rate of $1.3 \%$ per year. How long will it take for this country's population to double? Use the formula $t = \frac { \ln 2 } { k }$ , which gives the time, $t$ , for a population with growth rate k, to double. (Round to the nearest whole year.)

• A) 53 years
• B) 54 years
• C) 55 years
• D) 52 years

Understand the principle and limitations of evaporative cooling in animals.

Distinguish between endothermic and ectothermic temperature regulation strategies.

Identify the role of brown fat in heat production.

Understand the concept of the thermoneutral zone in endotherms.

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Definitions:

Independent Variable

A variable thought to be the cause or predictor of changes in a dependent variable.

Regression Function

An equation in mathematics that illustrates how one or more variables that can vary independently affect a variable that depends on them.

Estimated Regression Line

A line calculated from regression analysis that represents the relationship between independent and dependent variables.

Sales

The exchange of a commodity for money; the action of selling something.