Population

what tells how fast a given population grows?

• population growth rate

• exponential growth model

• logistic growth model

• carrying capacity

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NGSS.HS-LS4-2

What is a population ?

• Disturbance has removed vegetation but left soil intact.

• The natural birth, growth and development of ecosystem.

• All organisms of a species that live in the same area.

• A community of interacting organisms and their environment.

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NGSS.MS-LS2-1

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If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?

• It will increase.
• It will decrease.
• It will stay the same.
• It will fluctuate.

If the number of births is greater than the number of deaths in a population, what will happen to the growth of the population?

• It will increase.
• It will decrease.
• It will stay the same.
• It will fluctuate.

Tags

NGSS.MS-LS1-5

Select the graph(s) that show an exponential function.

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At what population was carrying capacity met?

• 250

• 1000

• 400

• 720

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Exponential population growth can be described as

• growth when resources are limited

• a j-shaped curve

• a s-shaped curve

• growth that reaches carrying capacity

Tags

NGSS.MS-LS2-1

Logistic population growth can be described as

• growth when resources are limited

• a s-shaped curve

• reaching carrying capacity

• all of the above

Tags

NGSS.HS-LS2-1

What limits Population Growth?

• birth rates increasing

• resources being used up

• natural selection taking place

• none of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Density-independent limiting factors to population growth includes

• stress from overcrowding

• parasitism

• competition

• natural disasters

Tags

NGSS.MS-LS2-4