Module 4-1 Review

What is a factor that has a greater effect as population density increases?

• density-dependent factor

• population growth rate

• immigration

• dispersion

Which term describes the rate at which the number of individuals in a population increases?

• population growth rate

• carrying capacity

• emigration

• dispersion

What is the term for individuals leaving a population?

• emigration

• immigration

• population density

• carrying capacity

A scientist counts 200 birds in a 4 square kilometer area. What is the population density of the birds in that area?

• 800 birds per square kilometer

• 50 birds per square kilometer

• 204 birds per square kilometer

• 100 birds per square kilometer

Which of the following is a primary factor that affects the pattern of dispersion for all organisms?

• Temperature

• Availability of resources such as food

• Amount of sunlight

• Wind speed

Tags

NGSS.MS-LS2-1

What is the main characteristic of "Clumped" population dispersion?

• Species are spread out equally

• Species are randomly spread out

• Groups tend to be more populated in some areas than others

• Species are found only in water

A researcher observes that a certain animal species is found in large groups in some areas but is almost absent in others. Which type of population dispersion does this most likely represent?

• Uniform

• Clumped

• Random

• Linear

If a scientist observes a plant species where each individual is evenly spaced from the others, which dispersion pattern is most likely being observed?

• Clumped

• Random

• Uniform

• Scattered

Limiting factors can be classified as which of the following?

• Only density-dependent

• Only density-independent

• Either density-independent or density-dependent

• Neither density-independent nor density-dependent

Which of the following is NOT typically considered a density-dependent factor?

• Predation

• Disease

• Competition

• Temperature

Tags

NGSS.MS-LS2-4