Population Ecology

The mortality rate of organisms following a type I survivorship curve is __________.

• fairly constant throughout life

• higher in post-reproductive years

• lower after the organisms become established

• unrelated to age

Tags

NGSS.MS-LS4-4

Which of the following are density dependent factors?

• competition for resources

• predation

• disease

• natural disasters

Tags

NGSS.MS-LS2-4

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

• forest fire

• seasonal cycles

• storms

• disease

Tags

NGSS.MS-ESS3-2

What type of growth model is shown in image A?

• Exponential

• Logistic

Tags

NGSS.HS-LS2-1

What type of growth model is shown in image B?

• Exponential

• Logistic

What point on the graph represents carrying capacity?

• a

• b

• c

• d

Tags

NGSS.MS-LS2-4

Which choice most closely approximates the deer population's carrying capacity based on the graph?

• 100

• 80

• 60

• 10

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

At carrying capacity, a population __________.

• increases rapidly

• increases slowly

• decreases slowly

• is in dynamic equilibrium

Tags

NGSS.MS-LS2-4

Which mathematical model most closely describes the population growth curve shown in deer population graph from the previous question?

• logistic growth

• exponential growth

Tags

NGSS.HS-LS2-1

What factor describes when populations increase because animals are moving into a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth