10/21 Population Growth and Resource Availability

Last updated 12 months ago

24 questions

1

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10/21 Population Growth and Resource Availability

Last updated 12 months ago

24 questions

Alaska contains over 127 million acres of untouched forest land. It is the largest state in the United States, yet with a population of nearly 700,000 people, it has the same total population as Austin, Texas. New Jersey is one of the smallest states and home to a population of nearly 9 million, but almost 1.8 million of its 4.4 million total land acres are untouched natural woodland. 

What are the reasons for the ways populations organize themselves, and what effect does this organization have on the environment?

1

Explain why would organisms have this arrangement in #4?

1

Fill in the table below by counting the number of individuals in each habitat and
then calculate the area available per individual.

1

Compare the terms population density and population distribution.

1

Describe how the food supply would be affected by the population density.

1

Describe how the levels or spread of disease would be affected by population density.

1

Density-independent factors and density-dependent factors may be interrelated. For example, a lack of rainfall that causes a drought will impact the food supply in a habitat. Propose another pairing of a density-independent factor and density-dependent factor that might occur.

Alaska contains over 127 million acres of untouched forest land. It is the largest state in the United States, yet with a population of nearly 700,000 people, it has the same total population as Austin, Texas. New Jersey is one of the smallest states and home to a population of nearly 9 million, but almost 1.8 million of its 4.4 million total land acres are untouched natural woodland. 

What are the reasons for the ways populations organize themselves, and what effect does this organization have on the environment?

What do the dots in the diagrams represent?

Habitat

Individual organisms

Area

What do the boxes in the diagrams represent?

Habitat

Individual organisms

Area

Describe the arrangements of the dots in habitat 3

Uniform

Clumped

Random

Describe the arrangements of the dots in habitat 4

Uniform

Clumped

Random

Explain why would organisms have this arrangement in #4?

Fill in the table below by counting the number of individuals in each habitat and
then calculate the area available per individual.

Which habitat shows a high population density?

Assuming the population size stays constant, propose at two factors that might cause a
population to shift from a low distribution habitat to a high distribution habitat? (Pick 2 correct answers)

Which habitat shows a low population density?

Compare the terms population density and population distribution.

Animals such as lions or wolves often show clumped distribution. Give a reason why this would
be advantageous for these animals. (Pick three correct answers)

Disease prevention

Social groups and mating

They are territorial

Group Hunting

Which factors are dependent on the population density? (Pick five correct answers)

Northern pike (it’s a fish) feed on another fish, the yellow perch. An increase in the yellow perch population causes an increase in the northern pike population.

Density independent

Density dependent

The BP oil spill in the gulf of Mexico has harmed many aquatic organisms that live in the gulf region.

Density independent

Density dependent

A new strain of influenza (the flu) breaks out in Houston

Density independent

Density dependent

A population of rabbits and a population of deer are not feeding off the same plants in the same habitat

Density independent

Density dependent

Hurricane Katrina forced thousands of people to leave New Orleans

Density independent

Density dependent

Due to humans putting increasing amount of greenhouse gases into the atmosphere and cutting down trees that would normally take up some of those gases, the Earth slowly gets warmer and changes climates around the globe. This effects the polar bear population.

Density independent

Density dependent

Describe how the food supply would be affected by the population density.

Describe how the levels or spread of disease would be affected by population density.

What do all the density-independent factors have in common?

Population factors

Environmental factors

Resource factors

Density-dependent factors are

Directly affected by the density of individuals in a given area

Unaffected by the number of individuals in a given area

Density-independent factors are

Unaffected by the number of individuals in a given area

Directly affected by the density of individuals in a given area

Density-independent factors and density-dependent factors may be interrelated. For example, a lack of rainfall that causes a drought will impact the food supply in a habitat. Propose another pairing of a density-independent factor and density-dependent factor that might occur.

What do the dots in the diagrams represent?

Habitat

Individual organisms

Area

What do the boxes in the diagrams represent?

Habitat

Individual organisms

Area

Describe the arrangements of the dots in habitat 3

Uniform

Clumped

Random

Describe the arrangements of the dots in habitat 4

Uniform

Clumped

Random

Which habitat shows a high population density?

1

2

3

4

5

Assuming the population size stays constant, propose at two factors that might cause a
population to shift from a low distribution habitat to a high distribution habitat? (Pick 2 correct answers)

Hurricane

Lack of resources

Change in environment

Forest fire

Flood

Which habitat shows a low population density?

1

2

3

4

5

Animals such as lions or wolves often show clumped distribution. Give a reason why this would
be advantageous for these animals. (Pick three correct answers)

Disease prevention

Social groups and mating

They are territorial

Group Hunting

Which factors are dependent on the population density? (Pick five correct answers)

Predation

Food supply

Parasitism

Acidity

Drought

Flood

Disease

Competition

Rainfall

Northern pike (it’s a fish) feed on another fish, the yellow perch. An increase in the yellow perch population causes an increase in the northern pike population.

Density independent

Density dependent

The BP oil spill in the gulf of Mexico has harmed many aquatic organisms that live in the gulf region.

Density independent

Density dependent

A new strain of influenza (the flu) breaks out in Houston

Density independent

Density dependent

A population of rabbits and a population of deer are not feeding off the same plants in the same habitat

Density independent

Density dependent

Hurricane Katrina forced thousands of people to leave New Orleans

Density independent

Density dependent

Due to humans putting increasing amount of greenhouse gases into the atmosphere and cutting down trees that would normally take up some of those gases, the Earth slowly gets warmer and changes climates around the globe. This effects the polar bear population.

Density independent

Density dependent

What do all the density-independent factors have in common?

Population factors

Environmental factors

Resource factors

Density-dependent factors are

Directly affected by the density of individuals in a given area

Unaffected by the number of individuals in a given area

Density-independent factors are

Unaffected by the number of individuals in a given area

Directly affected by the density of individuals in a given area

10/21 Population Growth and Resource Availability

10/21 Population Growth and Resource Availability

Explain why would organisms have this arrangement in #4?

Fill in the table below by counting the number of individuals in each habitat andthen calculate the area available per individual.

Compare the terms population density and population distribution.

Describe how the food supply would be affected by the population density.

Describe how the levels or spread of disease would be affected by population density.

Density-independent factors and density-dependent factors may be interrelated. For example, a lack of rainfall that causes a drought will impact the food supply in a habitat. Propose another pairing of a density-independent factor and density-dependent factor that might occur.

What do the dots in the diagrams represent?

What do the boxes in the diagrams represent?

Describe the arrangements of the dots in habitat 3

Describe the arrangements of the dots in habitat 4

Explain why would organisms have this arrangement in #4?

Fill in the table below by counting the number of individuals in each habitat andthen calculate the area available per individual.

Which habitat shows a high population density?

Assuming the population size stays constant, propose at two factors that might cause apopulation to shift from a low distribution habitat to a high distribution habitat? (Pick 2 correct answers)

Which habitat shows a low population density?

Compare the terms population density and population distribution.

Animals such as lions or wolves often show clumped distribution. Give a reason why this wouldbe advantageous for these animals. (Pick three correct answers)

Which factors are dependent on the population density? (Pick five correct answers)

Northern pike (it’s a fish) feed on another fish, the yellow perch. An increase in the yellow perch population causes an increase in the northern pike population.

The BP oil spill in the gulf of Mexico has harmed many aquatic organisms that live in the gulf region.

A new strain of influenza (the flu) breaks out in Houston

A population of rabbits and a population of deer are not feeding off the same plants in the same habitat

Hurricane Katrina forced thousands of people to leave New Orleans

Due to humans putting increasing amount of greenhouse gases into the atmosphere and cutting down trees that would normally take up some of those gases, the Earth slowly gets warmer and changes climates around the globe. This effects the polar bear population.

Describe how the food supply would be affected by the population density.

Describe how the levels or spread of disease would be affected by population density.

What do all the density-independent factors have in common?

Density-dependent factors are

Density-independent factors are

Density-independent factors and density-dependent factors may be interrelated. For example, a lack of rainfall that causes a drought will impact the food supply in a habitat. Propose another pairing of a density-independent factor and density-dependent factor that might occur.

Fill in the table below by counting the number of individuals in each habitat and
then calculate the area available per individual.

Fill in the table below by counting the number of individuals in each habitat and
then calculate the area available per individual.

Assuming the population size stays constant, propose at two factors that might cause a
population to shift from a low distribution habitat to a high distribution habitat? (Pick 2 correct answers)

Animals such as lions or wolves often show clumped distribution. Give a reason why this would
be advantageous for these animals. (Pick three correct answers)