Population Dynamics Quiz

What are density dependent factors?

• Factors that become more significant as population density decreases.

• Abiotic factors such as temperature and sunlight.

• Biotic factors such as predation, competition, and disease.

• Factors that are unrelated to population density.

Tags

NGSS.HS-LS2-6

What are density independent factors?

• Factors that vary with population density

• Factors that have the same significance regardless of population density

• Factors that are only biotic

• Factors that only affect small populations

Tags

NGSS.HS-LS2-1

Which of the following is an example of a density independent factor?

• Competition for food

• Predation

• Fire

• Disease

Tags

NGSS.HS-LS4-5

In top-down population regulation, what primarily controls the population size?

• Resource availability

• Climate conditions

• Predators

• Soil quality

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-2

What is the carrying capacity of the wildebeest population as shown in the diagram?

• 1,000,000

• 1,300,000

• 900,000

• 500,000

Tags

NGSS.HS-LS2-1

Which of the following is a characteristic of density dependent factors?

• They are abiotic.

• They include volcanic eruptions.

• They tend to be biotic.

• They are unaffected by population density.

Tags

NGSS.HS-LS2-6

How do density dependent factors regulate population size?

• By increasing birth rates and decreasing death rates.

• By decreasing birth rates and increasing death rates.

• By increasing birth rates and death rates.

• By decreasing birth rates and death rates.

Tags

NGSS.HS-LS2-6

What is the term for the number of individuals of a species per unit area or volume?

• Trophic Cascade

• Dispersion Pattern

• Population Density

• Carrying Capacity

Tags

NGSS.HS-LS2-2

NGSS.HS-LS4-5

What does the term "carrying capacity" refer to in population ecology?

• The number of individuals in a population

• The maximum population size an environment can sustain

• The growth rate of a population

• The age distribution in a population

Tags

NGSS.HS-LS2-1

What does an age structure diagram represent?

• The growth rate of a population

• The relative number of individuals of each age in a population

• The maximum population size an environment can sustain

• The manner in which individuals are spaced within their area