Rank the following terms from largest to smallest: ecosystem, population, biosphere, community.
biosphere (largest)
ecosystem
community
population (smallest)
ecosystem (largest)
biosphere
community
community (smallest)
ecosystem (largest)
community
biosphere
population (smallest)
Which of the following includes the other three: ecosystem, population, biosphere, community.
The ecosystem contains all the communities on the earth, all the biospheres on the earth, and all of the populations on the earth.
The community contains all the ecosystems on the earth, all the biospheres on the earth, and all of the populations on the earth.
The population contains all the ecosystems on the earth, all the communities on the earth, and all of the biospheres on the earth.
The biosphere contains all the ecosystems on the earth, all the communities on the earth, and all of the populations on the earth.
What are the biotic components of your front yard?
The biotic components are the blue grass, moss, and pine trees.
The biotic components are the cardinals, raccoons, bees, mosquitoes, beetles, blue grass, moss, worms, and pine trees.
The biotic components are the cardinals, robins, raccoons, bees, mosquitoes, humans, beetles, blue grass, moss, worms, and pine trees.
The biotic components are the cardinals, robins, raccoons, bees, mosquitoes, humans, beetles, blue grass, moss, worms, and pine trees, rocks, decaying leaves.
What are the abiotic components of your front yard?
The abiotic components are the rocks, water, and soil.
The abiotic components are the air containing oxygen, nitrogen, and carbon dioxide.
The abiotic components are the decaying leaves, water, and sunlight.
The abiotic components are the rocks, decaying leaves, water, sunlight, soil, and the air containing oxygen, nitrogen, and carbon dioxide.
How many different populations are there in your front yard?
There are 7 different populations.
There are 9 different populations.
There are 11 different populations.
There are 13 different populations.
Identify the components of the community in your front yard.
The front-yard community consists of the following populations:
cardinal, robin, raccoon, bee, mosquito, human, beetle, blue grass, moss, worm, pine tree.
cardinal, robin, raccoon, bee, mosquito, beetle, worm.
blue grass, moss, pine tree.
cardinal, robin, raccoon, bee, mosquito, beetle, blue grass, moss, worm, pine tree.
Identify the components of the ecosystem in your front yard.
The front-yard ecosystem consists of the following populations:
robin, bee, mosquito, beetle, worm, raccoon.
robin, raccoon, bee, mosquito, human, beetle, blue grass, moss, worm, pine tree, rocks, decaying leaves, water, sunlight, soil, air containing oxygen, nitrogen, carbon dioxide.
decaying leaves, water, sunlight, soil, air containing oxygen, nitrogen, carbon dioxide.
robin, raccoon, bee, mosquito, beetle, moss, worm, water, sunlight, soil, air containing oxygen, nitrogen, carbon dioxide.
Think about the term biodiversity. To what does it refer and what does the biodiversity level of a community or ecosystem indicate? Which answer below is not correct.
Biodiversity is the measure of the different types of organisms in a biosphere.
Biodiversity is the measure of the different types of organisms in a community.
Why are population studies important in ecology?
Population studies help scientists to:
gauge the overall health and vitality of populations and ecosystems
understand and predict how populations and ecosystems will respond to various diseases and environmental conditions
predict the future of populations and ecosystems
all of the above
The features of populations that scientists study to determine the overall health of populations are:
distribution, size, density, growth rate
size, density, distribution, growth rate, and growth pattern
What factors play a role in determining the size and growth of populations?
The size and growth of a population is influenced by the following:
the gene pool of a population
the amount and availability of useable resources and nutrients
the birth rate and death rate of the population
all of the above
Consider a population composed of 25 blue jays. What is a quantitative feature of this population?
blue is the color of the birds
the type of bird is a blue jay
the population size of 25
all of the above
Consider a population composed of 25 blue jays. What is a qualitative feature of this population?
the type of bird is a blue jay
blue is the color of the birds
the population size of 25
all of the above
What was the size of the cricket population in the year 1999?
In the year 2001, the density of the cricket population was 1.7 crickets per square foot.
What was the net growth of this cricket population between the years 1999 and 2001?
The net growth of this cricket population between the years 1999 and 2001 was 650 crickets.
The net growth of this cricket population between the years 1999 and 2001 was 1,300 crickets.
For questions 18-22, use the following set of observations on the size of the dandelion population in your backyard:
Time Population Size
(Number of Dandelions)
1970 11
1971 12
1972 14
1973 27
1979 100
How many data points are there in the table above?
There are 5 data points
There are 20 data points
What are the variables in this data set?
time
population size
all of the above
none of the above
What type of growth pattern does this dandelion population exhibit?
This dandelion population exhibits an S-shaped growth pattern.
This dandelion population exhibits an exponential growth pattern.
This dandelion population exhibits an exponential, J-shaped growth pattern.
This dandelion population exhibits a linear growth pattern.
What does the graph indicate about the dandelion population in your backyard during the period of 1971 to 1974?
During the period of 1971 to 1974 the dandelion population exhibited a phase of linear growth.
None of the above.
The graph indicates that the size of the dandelion population remained relatively stable from 1975 to 1979.
true
false
What factors play a role in determining the overall health of a community?
The overall health of a community is influenced by the following factors:
all of the above
Resources cycle in an ecosystem through two general mechanisms: biotic cycling and biotic-abiotic cycling.
a and b
none of the above
Explain the flow of resources and nutrients through the trophic levels of a feeding chain.
Organisms in level 4 are eaten by organisms in level 3;
organisms in level 3 are eaten by organisms in level 2;
organisms in level 2 are eaten by organisms in level 1; and so forth.
A food web is a linear series of feeding steps by which energy and nutrients are transferred from one organism to the next.
A food web is a set of overlapping food chains.
A food web is a set of interconnected food chains.
What are the major biogeochemical cycles in ecosystems, and which resources are transferred and transformed in each cycle?
Carbon cycle – carbon
Hydrologic cycle – water
Nitrogen cycle – nitrogen
How are the production of ATP, proteins, DNA, RNA, and membranes in cells impacted by the biogeochemical cycles of an ecosystem?
The production of ATP (energy-storage molecules) in cells is impacted by the phosphorus cycle because phosphorus is a critical building block of ATP molecules.
Under what conditions is the overall health of the biosphere threatened by the activities of living organisms?
irreversibly deplete the earth's useable and renewable resources and degrade the quality of vital and useable resources
release molecules into the environment that are toxic to living organisms and disrupt the natural biogeochemical cycles of an ecosystem
both a and b
none of the above
What general factors have contributed to many of the environmental problems facing our global society?
Industrial activities are largely to blame for the major environmental problems facing our global society today
Humankind's rapid population growth and modern technological and industrial activities are largely to blame for the major environmental problems facing our global society today
List the major environmental problems facing the world today as a result of humankind's rapid population growth and modern technological and industrial activities.
pollution (of air, water, and land), acid rain, smog, global warming, ozone thinning
a and b
Read the following news report and then answer the questions below. In answering these questions be sure to consider everything you have learned in this course.
The China Connection
What is the movement of dust from central Asia to Kauai via wind an example of?
The movement of dust from central Asia to Kauai via wind is an example of a biogeochemical pathway, specifically the hydrologic cycle.
What might be a possible consequence of permanent shifts in the prevailing winds that would no longer bring dust from China's Takla Makan desert to the Kauai rainforest?
The living organisms that are able to most efficiently uptake phosphorus from the soil are those that are most likely to survive, while organisms that are unable to efficiently uptake phosphorus from the soil are most likely to die off. The varying ability of living organisms to acquire and use phosphorus is determined by the genes of each species, which have been selected over long periods of time as a result of evolution. As some living organisms and species die off, the biodiversity of the rainforest decreases.
both a and b
none of the above
biosphere (largest)
ecosystem
community
population (smallest)
ecosystem (largest)
biosphere
community
community (smallest)
ecosystem (largest)
community
biosphere
population (smallest)
Which of the following includes the other three: ecosystem, population, biosphere, community.
The ecosystem contains all the communities on the earth, all the biospheres on the earth, and all of the populations on the earth.
The community contains all the ecosystems on the earth, all the biospheres on the earth, and all of the populations on the earth.
The population contains all the ecosystems on the earth, all the communities on the earth, and all of the biospheres on the earth.
The biosphere contains all the ecosystems on the earth, all the communities on the earth, and all of the populations on the earth.
What are the biotic components of your front yard?
The biotic components are the blue grass, moss, and pine trees.
The biotic components are the cardinals, raccoons, bees, mosquitoes, beetles, blue grass, moss, worms, and pine trees.
The biotic components are the cardinals, robins, raccoons, bees, mosquitoes, humans, beetles, blue grass, moss, worms, and pine trees.
The biotic components are the cardinals, robins, raccoons, bees, mosquitoes, humans, beetles, blue grass, moss, worms, and pine trees, rocks, decaying leaves.
What are the abiotic components of your front yard?
The abiotic components are the rocks, water, and soil.
The abiotic components are the air containing oxygen, nitrogen, and carbon dioxide.
The abiotic components are the decaying leaves, water, and sunlight.
The abiotic components are the rocks, decaying leaves, water, sunlight, soil, and the air containing oxygen, nitrogen, and carbon dioxide.
How many different populations are there in your front yard?
There are 7 different populations.
There are 9 different populations.
There are 11 different populations.
There are 13 different populations.
Identify the components of the community in your front yard.
The front-yard community consists of the following populations:
cardinal, robin, raccoon, bee, mosquito, human, beetle, blue grass, moss, worm, pine tree.
cardinal, robin, raccoon, bee, mosquito, beetle, worm.
blue grass, moss, pine tree.
cardinal, robin, raccoon, bee, mosquito, beetle, blue grass, moss, worm, pine tree.
Identify the components of the ecosystem in your front yard.
The front-yard ecosystem consists of the following populations:
robin, bee, mosquito, beetle, worm, raccoon.
robin, raccoon, bee, mosquito, human, beetle, blue grass, moss, worm, pine tree, rocks, decaying leaves, water, sunlight, soil, air containing oxygen, nitrogen, carbon dioxide.
decaying leaves, water, sunlight, soil, air containing oxygen, nitrogen, carbon dioxide.
robin, raccoon, bee, mosquito, beetle, moss, worm, water, sunlight, soil, air containing oxygen, nitrogen, carbon dioxide.
Think about the term biodiversity. To what does it refer and what does the biodiversity level of a community or ecosystem indicate? Which answer below is not correct.
Biodiversity is the measure of the different types of organisms in a biosphere.
Biodiversity is the measure of the different types of organisms in a community.
Why are population studies important in ecology?
Population studies help scientists to:
gauge the overall health and vitality of populations and ecosystems
understand and predict how populations and ecosystems will respond to various diseases and environmental conditions
predict the future of populations and ecosystems
all of the above
The features of populations that scientists study to determine the overall health of populations are:
distribution, size, density, growth rate
size, density, distribution, growth rate, and growth pattern
What factors play a role in determining the size and growth of populations?
The size and growth of a population is influenced by the following:
the gene pool of a population
the amount and availability of useable resources and nutrients
the birth rate and death rate of the population
all of the above
Consider a population composed of 25 blue jays. What is a quantitative feature of this population?
blue is the color of the birds
the type of bird is a blue jay
the population size of 25
all of the above
Consider a population composed of 25 blue jays. What is a qualitative feature of this population?
the type of bird is a blue jay
blue is the color of the birds
the population size of 25
all of the above
What was the size of the cricket population in the year 1999?
In the year 2001, the density of the cricket population was 1.7 crickets per square foot.
What was the net growth of this cricket population between the years 1999 and 2001?
The net growth of this cricket population between the years 1999 and 2001 was 650 crickets.
The net growth of this cricket population between the years 1999 and 2001 was 1,300 crickets.
For questions 18-22, use the following set of observations on the size of the dandelion population in your backyard:
Time Population Size
(Number of Dandelions)
1970 11
1971 12
1972 14
1973 27
1979 100
How many data points are there in the table above?
There are 5 data points
There are 20 data points
What are the variables in this data set?
time
population size
all of the above
none of the above
What type of growth pattern does this dandelion population exhibit?
This dandelion population exhibits an S-shaped growth pattern.
This dandelion population exhibits an exponential growth pattern.
This dandelion population exhibits an exponential, J-shaped growth pattern.
This dandelion population exhibits a linear growth pattern.
What does the graph indicate about the dandelion population in your backyard during the period of 1971 to 1974?
During the period of 1971 to 1974 the dandelion population exhibited a phase of linear growth.
None of the above.
The graph indicates that the size of the dandelion population remained relatively stable from 1975 to 1979.
true
false
What factors play a role in determining the overall health of a community?
The overall health of a community is influenced by the following factors:
all of the above
Resources cycle in an ecosystem through two general mechanisms: biotic cycling and biotic-abiotic cycling.
a and b
none of the above
Explain the flow of resources and nutrients through the trophic levels of a feeding chain.
Organisms in level 4 are eaten by organisms in level 3;
organisms in level 3 are eaten by organisms in level 2;
organisms in level 2 are eaten by organisms in level 1; and so forth.
A food web is a linear series of feeding steps by which energy and nutrients are transferred from one organism to the next.
A food web is a set of overlapping food chains.
A food web is a set of interconnected food chains.
What are the major biogeochemical cycles in ecosystems, and which resources are transferred and transformed in each cycle?
Carbon cycle – carbon
Hydrologic cycle – water
Nitrogen cycle – nitrogen
How are the production of ATP, proteins, DNA, RNA, and membranes in cells impacted by the biogeochemical cycles of an ecosystem?
The production of ATP (energy-storage molecules) in cells is impacted by the phosphorus cycle because phosphorus is a critical building block of ATP molecules.
Under what conditions is the overall health of the biosphere threatened by the activities of living organisms?
irreversibly deplete the earth's useable and renewable resources and degrade the quality of vital and useable resources
release molecules into the environment that are toxic to living organisms and disrupt the natural biogeochemical cycles of an ecosystem
both a and b
none of the above
What general factors have contributed to many of the environmental problems facing our global society?
Industrial activities are largely to blame for the major environmental problems facing our global society today
Humankind's rapid population growth and modern technological and industrial activities are largely to blame for the major environmental problems facing our global society today
List the major environmental problems facing the world today as a result of humankind's rapid population growth and modern technological and industrial activities.
pollution (of air, water, and land), acid rain, smog, global warming, ozone thinning
a and b
Read the following news report and then answer the questions below. In answering these questions be sure to consider everything you have learned in this course.
The China Connection
What is the movement of dust from central Asia to Kauai via wind an example of?
The movement of dust from central Asia to Kauai via wind is an example of a biogeochemical pathway, specifically the hydrologic cycle.
What might be a possible consequence of permanent shifts in the prevailing winds that would no longer bring dust from China's Takla Makan desert to the Kauai rainforest?
The living organisms that are able to most efficiently uptake phosphorus from the soil are those that are most likely to survive, while organisms that are unable to efficiently uptake phosphorus from the soil are most likely to die off. The varying ability of living organisms to acquire and use phosphorus is determined by the genes of each species, which have been selected over long periods of time as a result of evolution. As some living organisms and species die off, the biodiversity of the rainforest decreases.
both a and b
none of the above
