What is happening at the 'A' on the graph?

growth begins to slow down due to limited resources

the population overshoots above the carrying capacity

growth is speeding up due to an abundance of resources

Which of these would NOT be true of a specialist species?

They often lose in competition for resources to generalists.

They are more likely to go extinct during changes to an ecosystem.

They often feed on a very specific diet.

show a decline after an increase

display populations that have reached carrying capacity

does not depend on the numbe rof resources

Refer to the diagram of the survivorship curve. Which curve best describes an organism that invests a lot of energy in parenting?

this is not a survivorship curve

Which of the following characteristics is most closely associated with a country that demonstrates the age structure in the diagram shown above?

There is a high total fertility rate.

There is a low infant mortality rate.

A high percentage of the population has access to medical care.

There is a low population growth rate.

The increase in the size of Earth's human population in the last century has been dramatic. Which of the following identifies two major contributors to this increase?

The Industrial Revolution and modern medicine

New methods of agriculture and the identification of new food crops

Increased emigration/immigration and decreased warfare

New methods of birth control and decrease warfare

Which of the following is most likely the primary cause of high death rates in phase I?

Loss of breeding-age males due to warfare

Loss of breeding-age females due to disease

General starvation due to famine

Which of the following pairs of statistics would most likely indicate the highest quality of life in a country?

High life expectancy and low infant mortality

High rate of teenage pregnancy and low gross domestic product

High crude birth rate and low literacy rate

High level of export and low social status of women

A country with an age distribution like that shown in the figure below, is most likely a country that…

is experiencing slow or no population growth

is experiencing a high death rate

has 40% of the population under age 15

Which pattern describes a type I survivorship curve?

High survival throughout the lifespan until individuals die in old age

Low survivorship early in life with few individuals reaching adulthood

Low survivorship early in life with many individuals reaching adulthood

Constant decline in survivorship throughout most of the lifespan

The rule of 70 can be used to determine a population’s doubling time. Doubling time is a measure of the…

length of time an individual born in a population is expected to live

environmental impact of each individual in a population

average age of the first reproductive event per 1,000 women in a country

Which of the following is the equation for population density?

population density= total population/area

population density= growth rate/area

The rule of 70 states...

doubling time= 70/ growth rate (%)

doubling time= 20/ growth rate (%)

Although the fertility rate for women in the United States has declined in recent years to a value below replacement level, the United States population is still increasing because of…

lower average age at first marriage

Unit 3 Population

Authored by Nicolette Pocius

Science

11th - 12th Grade

NGSS covered

Used 14+ times

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42 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the effect on the total population if births < deaths.

Increases

Decreases

Stays the same.

Tags

NGSS.MS-LS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the effect on a population growing at a negative growth rate.

Increases

Decreases

Stays the same.

Tags

NGSS.MS-LS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the effect on a population that occurs when births > deaths.

Increases

Decreases

Stays the same.

Tags

NGSS.MS-LS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What factor describes when populations decrease because animals are moving out of a population?

Emigration

Limiting Factors

Immigration

Exponential Growth

Tags

NGSS.HS-LS2-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the graph represent?

Emigration

Exponential growth

Immigration

Logistic Growth

Tags

NGSS.HS-LS2-2

MULTIPLE CHOICE QUESTION

1 min • 12 pts

Which limiting factor is independent of the number of individuals in a population?

competition

parasitism/disease

stress

natural disasters

Tags

NGSS.HS-LS4-5

NGSS.HS-LS2-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What point on the graph represents the carrying capacity?

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

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Unit 3 Population

Identify the effect on the total population if births < deaths.

Identify the effect on a population growing at a negative growth rate.

Identify the effect on a population that occurs when births > deaths.

What factor describes when populations decrease because animals are moving out of a population?

What does the graph represent?

Which limiting factor is independent of the number of individuals in a population?

What point on the graph represents the carrying capacity?

Which factor is a density-dependent limiting factor on the population of a species?

What is happening at the 'A' on the graph?

To measure population density, you must divide the number of individuals living in a defined space by the

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