Population Density and Independent Factor in Ecosystem

Due to stress, large numbers of female lemmings miscarry their young and fail to reproduce.

• Density-Dependent

• Density-Independent

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

Many fish die due to a drastic change in water temperature.

• Density-Dependent

• Density-Independent

Tags

NGSS.MS-LS2-4

An extensive drought in the plains threatens wildebeest, giraffe, zebra, and springbok populations.

• Density-Dependent

• Density-Independent

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is a density-dependent limiting factor?

• human activities

• unusual weather

• competition

• natural disaster

Tags

NGSS.MS-LS2-4

Which of the following is a density-independent limiting factor?

• natural disaster
• predation
• disease
• parasitism

Which of the following would NOT be an example of a density dependent limiting factor?

• fire

• disease

• lack of food

• space

Tags

NGSS.MS-LS2-4

Which of the following would NOT be an example of a density independent factor?

• predation

• tornado

• hurricane

• fire

Tags

NGSS.MS-ESS3-2

Which of the following are examples of a density independent factors?

• forest fire

• seasonal cycles

• storms

• disease

Tags

NGSS.MS-ESS3-2

Which of the following are density dependent factors?

• competition for resources

• predation

• disease

• natural disasters

Tags

NGSS.MS-LS2-4

What would human alterations of the environment be considered? Ex. Cutting down the rain forests

• Density-independent

• Density-dependent

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-5