Unit 2 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

What type of factor has an increasing impact as the population size increases?

• density-independent

• density-dependent

• cohort effect

• survivorship factor

Tags

NGSS.HS-LS2-6

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

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

What point on the graph represents carrying capacity?

• a

• b

• c

• d

Tags

NGSS.MS-LS2-4

At carrying capacity, a population __________.

• increases rapidly

• increases slowly

• decreases slowly

• is in dynamic equilibrium

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

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

Which population growth model most closely describes the human population in the modern age?

• logistic growth

• exponential growth

• upward growth

• tumor growth

Tags

NGSS.MS-ESS3-4

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.