Mastery Check: Lesson 2.1 Population Density and Dispersion

What does population ecology study?

• The habitat of organisms

• The interaction of different species

• How populations of a single species change over time and space

• The number of individuals in a community

Which factor is NOT included in population ecology?

• Birth and death rates

• Migration patterns

• Resource availability

• Color of the species

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What does a community consist of in ecological terms?

• A single species

• Different species interacting in the same area

• The physical environment

• A single organism

Tags

NGSS.MS-LS2-2

Which of the following is a component of a community?

• A single organism

• Different species interacting

• The physical environment

• A single species

Tags

NGSS.MS-LS2-2

Which of the following is NOT a factor in calculating population density?

• Number of individuals

• Area

• Volume

• Space

What type of population dispersion occurs when individuals compete for limited resources?

• Clumped

• Random

• Uniform

• Scattered

In which dispersion pattern are individuals most likely to be found near each other?

• Clumped

• Uniform

• Random

• Isolated

What method do scientists use to calculate population size in the given problem?

• Survey method

• Mark-recapture method

• Census method

• Sampling method

In the formula provided, what does 'R' represent?

• Total population size

• Initially marked individuals

• Marked recaptured individuals

• Total individuals in second sample

What does 'T' stand for in the formula?

• Total individuals in second sample

• Total population size

• Initially marked individuals

• Marked recaptured individuals