Ecology

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

• fairly constant throughout life

• higher for older members of the population

• lower for older members of the population

• higher for younger members of the population

Tags

NGSS.MS-LS4-4

Which factor(s) contribute to a growing population? Choose all that apply.

• immigration

• high birth rate

• emigration

• high death rate

Tags

NGSS.MS-ESS3-4

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

• density-independent

• density-dependent

• cohort effect

• survivorship factor

Tags

NGSS.MS-LS2-4

Which of the following are density dependent factors? Choose all that apply.

• competition for resources

• predation

• disease

• natural disasters

Tags

NGSS.MS-LS2-4

Which of the following are examples of a density independent factors? Choose all that apply.

• forest fire

• seasonal cycles

• storms

• disease

Factors like predation can have a positive benefit to the population of prey organisms because predators tend to keep prey populations below their ___________.

• carrying capacity

• sustainibility number

• exponential growth point

• competition level

As a population of a species increases within a territory, which of the following most likely also increases?

• Immigration

• Food supply

• Carrying capacity

• Competition

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.HS-LS2-1

What point on the graph represents carrying capacity?

• a

• b

• c

• d

Tags

NGSS.HS-LS2-1