Properties of a Population Review

Front

What is the term for the way individuals of a population are spread out?

Back

Population dispersion.

Front

What is uniform dispersion?

Back

A pattern where individuals are spread out evenly across an area.

Front

What is clumped dispersion?

Back

A pattern where individuals are grouped together in patches.

Front

What is random dispersion?

Back

A pattern where individuals are spread out in an unpredictable manner.

Front

How do you calculate % error?

Back

% Error = |(Estimated Value - Actual Value) / Actual Value| x 100.

Front

If you estimated a population size of 225 and the actual size is 250, what is your % error?

Back

10%.

Front

What is quadrat sampling?

Back

A method used to estimate the population size of stationary organisms by counting individuals in a defined area.

Front

What is mark-recapture sampling?

Back

A method used to estimate the population size of mobile organisms by capturing, marking, and recapturing individuals.

Front

What is the difference between mark-recapture and quadrat sampling?

Back

Quadrat sampling is used for stationary populations, while mark-recapture is used for mobile populations.

Front

What is population density?

Back

The number of individuals per unit area or volume.