Principles of Ecology and Population Regulation

Which of the following best defines carrying capacity (K)?

• The maximum birth rate in a population

• The number of predators an ecosystem can support

• The maximum population size an environment can sustainably support

• The total number of species in an ecosystem

Tags

NGSS.MS-LS2-4

What type of population growth curve levels off as it reaches carrying capacity?

• Linear

• Exponential (J-shaped)

• Logistic (S-shaped)

• Cyclical

Tags

NGSS.HS-LS2-1

Which of the following is an example of a density-independent factor?

• Competition for food

• Predation

• Disease

• A severe flood

What happened to elk populations after gray wolves were reintroduced into Yellowstone?

• They increased

• They stayed the same

• They decreased

• They went extinct

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

In a survivorship curve, which pattern shows most individuals dying young, with few surviving to adulthood?

• Late-loss

• Constant-loss

• Early-loss

• Balanced-loss