Population Growth Rates

True/False: Population growth only depends on birth rates and death rates.

• True

• False

A population with stable size is one in which___________

• birth rate exceeds death rate

• death rate is the same as birth rate on average

• death rate exceeds birth rate

• none of the above

Tags

NGSS.HS-LS2-6

A condition that would most likely result in the S shaped curve population growth would be ______________

• elimination of a predator

• change of the habitat

• a stable biotic and abiotic environment

• removal of competing species

Largest number of individuals of a population that the environment can support...  

• carrying capacity
• population crash
• lag phase
• mutualism

Tags

NGSS.HS-LS2-1

If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?

• The bird population would stay the same
• The bird population would infinitely increase
• The bird population would decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Limiting factors are sometimes helpful because they can keep the population from getting to large.

• True
• False

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What causes growth to stop in logistic growth?

• Emigration
• Immigration
• Carrying Capacity

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.

Tags

NGSS.HS-LS2-6

If the number of births is greater than 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.

Tags

NGSS.HS-LS2-6

Birth Rate + Migration - Death Rate =

• population growth

• population density