Determining Population Size Answers

Which of the following samples has the greatest population density?a.125,000 organisms in 2.5 mib.13,000 organisms in 1.0 mic.150,000 organisms in 4.0 mid.100,000 organisms in 0.5 mi

Logistic growth curves are density-dependent.

What is the main difference between logistic and exponential growth curves?a.Logistic growth curves never increase exponentially.b.Logistic growth curves stabilize when carrying capacity is reached.c.Logistic growth curves decrease before they increase.d.Logistic growth curves are identical to exponential growth curves.

A J-shaped curve is called a(n) _______.a.logistic growth curveb.exponential growth curvec.linear growth curved.population growth curve

Yellowstone National Park has an average of about 4500 bison living in it. The park covers 3472 square miles. What is the population density of bison living in Yellowstone?a.1.3 bison/mib.16 bison/mic.77 bison/mid.0.77 bison/mi

A larger population density always indicates a larger population size.

For which method of determining population size is the population not aware of the sampler’s presence?a.mark/recaptureb.direct observationc.samplingd.indirect observation

The three methods for determining population size are observation, mark and recapture, and sampling.

The formula to calculate population density is _______.a.land area number of populationsb.number of populations land areac.number of organisms in a region land area d.land area number of organisms in a region

The mark and recapture method of determining population size is always more effective than the sampling method.