Unit 8 quiz 2 Population Growth and Limits to Growth

The term ecologists use to describe the number of individuals moving away from a population is

• Emigration

• Immigration

The term ecologists use to describe the number of individuals moving into a population is

• Emigration

• Immigration

What is a population ?

• Disturbance has removed vegetation but left soil intact.

• The natural birth, growth and development of ecosystem.

• All organisms of a species that live in the same area.

• A community of interacting organisms and their environment.

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.

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.MS-LS2-4

A small island nation is tracking its total population.  It started with exactly 100 people. During the year, 10 people immigrated, while 20 emigrated.  The birth rate was 15, and the death rate was 5.  What is the new population of the country?

• 115

• 110

• 90

• No change; the population is still 100.

One of the Factors that affect population size:

INCREASE: Number of ___________

• Birth

• Death

• Emigration

• None of them

Tags

NGSS.MS-LS1-4

One of the factors Factors that affect population size:

DECREASE: Number of ___________

• Birth

• Emigration

• Immigration

• None of them

Tags

NGSS.MS-LS2-4

Which factor might not contribute to an exponential growth rate in a given population?

• lower death rates

• higher birth rates

• less competition

• reduced resources

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Does the graph represent an exponential growth or logistic growth?

• Exponential Growth

• Logistic Grwoth