Population and Population Limits

Review: What is the carrying capacity of a population?

• The most individuals a population that can be supported from the environment

• How much weight a population can carry

• The amount of food needed to fee a population

• When a population grows without stopping

Review: What type of growth curve is shown in the picture?

• Logistic

• Exponential

What is a limiting factor?

• Something that causes the growth of a population to decrease

• Something that causes a population to grow a lot

Limiting factors that affect large, dense populations more than small, scattered populations are called ________________.

• Density dependent limiting factors

• Density independent limiting factors

What limiting factors do not usually depend on population density?

• Natural disasters like a flood

• Predators

• Competition

• Disease

Which of the following would be considered a density dependent limiting factor?

• Floods

• Tornadoes

• Predators

• Earthquake

The COVID-19 pandemic is an example of what type of limiting factor?

• Density dependent

• Density independent

Arctic foxes eat Arctic hares. What would happen to the hare population if the fox population increased rapidly?

• The hare population would decrease

• The hare population would increase

• There would be no change on the hare population

An earthquake occurs in California and kills 500 people. Is this an example of a density dependent or independent limiting factor?

• Independent

• Dependent

Review: What type of growth curve is shown in the picture?

• Logistic

• Exponential