Population Factors

Limiting factors are sometimes helpful because they can keep the population from getting too large.

• True

• False

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

True or False: A lack of resources such as food, water, air, shelter, and space are called limiting factors.

• True

• False

Tags

NGSS.MS-LS2-1

If there is more food than usual in an ecosystem, then...

• Populations will stay the same

• Populations will decrease

• Populations will increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Hawks eat snakes. If the hawks suddenly increased, what would happen to the snake population?

• The snakes would decrease.

• The snakes would increase.

• The snake population would stay the same.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What is the term used to describe the movement of people from one place to another, which can affect population size?

• Emigration

• Immigration

• Urbanization

• Migration

Tags

DOK Level 1: Recall

Which of the following is a primary factor that contributes to human population growth?

• Decrease in birth rates

• Increase in birth rates

• Increase in death rates

• Decrease in immigration

Tags

DOK Level 1: Recall

Explain how improvements in healthcare can lead to population growth.

• Improvements in healthcare reduce birth rates, leading to population growth.

• Improvements in healthcare increase death rates, leading to population growth.

• Improvements in healthcare reduce death rates, leading to population growth.

• Improvements in healthcare increase birth rates, leading to population growth.

Tags

DOK Level 2: Skill/Concept

Which of the following scenarios is most likely to result in a decrease in population growth?

• High birth rates and low death rates

• Low birth rates and high death rates

• High immigration and low emigration

• Low immigration and high birth rates

Tags

DOK Level 2: Skill/Concept

What factors below cause growth rates to change?

• sick rates

• death rates

• birth rates

• migration in or out of a country

Tags

NGSS.MS-LS1-5

If there is more food than usual in an ecosystem, then...

• Populations will stay the same

• Populations will decrease

• Populations will increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4