Population

Which definition best matches the term population?

• A measurement of people for a specific area
• All the inhabitants of a particular area
• human beings in general
• the increase in the number of people in a particular area

Which definition best matches the term population density?

• human beings in general
• number of people in a particular area
• A measurement of people for a specific area
• All the inhabitants of a particular area

Researchers have found that a local squirrel population fluctuates from year to year, increasing one year and decreasing the next. Which of the following factors would cause the squirrel population to grow?

• A. the birth rate is equal to the death rate

• B. emigration is greater than immigration

• C. the death rate is higher than the birth rate

• D. the birth rate is greater than the death rate

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

All populations fluctuate in size. Which of the following is a nonenvironmental factor that might cause a population to be reduced in size?

• A. decreased predation

• B. increased competition

• C. emergence of disease resistance

• D. increased availability of a food source

Tags

NGSS.MS-LS2-4

The population size that an environment can sustain is called the carrying capacity. Which of the following factors would not decrease the carrying capacity of a pond environment?

• A. drought

• B. flooding

• C. food shortages

• D. unusually low temperatures

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Imagine that a city located in a desert environment has grown significantly over the last few decades. Which statement best describes how the growth of the metropolitan city would impact the desert environment in the area?

• A. Biodiversity would decrease in the area but increase in the desert beyond the city.

• B. By destroying habitat to build homes and highways, the growth of the city would decrease the biodiversity in the desert.

• C. The growth of the city would have little impact on the environment, because few animals likely lived there before growth happened.

• D. By bringing in water, the growth of the city would improve the entire desert environment

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Populations do not continue to grow to an unlimited size. Their environment, including food and other natural resources, limits their size eventually. This limit is called the

• A. differential population.

• B. carrying capacity.

• C. prey maximum.

• D. predator limit.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

As a population grows, it will most likely stop growing at what size?

• Growth limit
• Exponential limit
• Carrying Capacity
• It won't stop growing

The carrying capacity of an environment for a particular species at a particular time is determined by the

• number of individuals in the species.
• distribution of the population.
• reproductive potential of the species.
• supply of the most limited resources

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which kind of growth does the human population follow? It is described as a J-shaped curve.

• Exponential Growth
• Logistic Growth
• Outstanding Growth
• Minimal Growth

Tags

NGSS.HS-LS4-2