APES Mid-Term Exam Test Questions with Answers Graded A+
FRQ 1.1 relationship with plant root nodules convert N2 into
Identify two organisms that compete for a shared food ammonia (NH3). Rhizobacteria live in root nodules of
resource. Describe how resource partitioning could legumes (peas, beans) & fix N for them in return for amino
reduce the competition between the two organisms you acids from the plant
identified.
(Look at FRQ 1.1 for image) - -- the polar bear, and FRQ 1.6
the orca. choose 2 reservoirs depicted in the diagram above and
- the use of resource partitioning would allow the orca and describe how phosphorus moves from one to the other
the polar bear to use the Atlantic cod in different ways
reducing the competition between the 2 of them. (see FRQ 1.6 for image) - -- Ocean and soil
- phosphates moves between these 2 reservoirs through
weather and the runoff of phosphate rock into the ocean
FRQ 1.2 and then with uplift restarting the cycling and bring
Identify one characteristic of a biome and explain how that phosphate back to the soil
characteristic determines the community of organisms
found in the biome. - -- Average yearly temperature
and perception FRQ 1.7
- that characteristic determines the nutrient availability and Chose a processes from the diagram. Identify the process
what plants are able to grow there, which can also effect and describe how water is moving from one reservoir to
what kind of animals are able to consume those types of another.
plants.
(See FRQ 1.7 for image) - -- Aquifer and ocean
precipitation
FRQ 1.3 - Precipitation recharges groundwater through infiltration,
Identify an organism found in an aquatic biome and but only if ground is permeable (able to let water pass
explain how that organism is uniquely adapted to live in through), and then through run off the water (and
that biome. - -- coral is an organism that is found in pollutants) are carried into oceans.
an aquatic biome
- it can survive there because of the energy it gets from
the algae, that area also has the correct level salinity, FRQ 1.8
depth, and temperature for the coral to be able to survive. Describe the process of net primary productivity (NPP).
Describe the relationship between primary productivity and
biodiversity. - -- Primary Productivity: rate that solar
FRQ 1.4 energy is converted into org. compounds via
Identify one process in the diagram that happens quickly photosynthesis over a unit of time
and one process that happens slowly. - Ecosystems with high primary productivity are usually
Explain how the rate at which fossil fuels are transferred more biodiverse (more div. of species) than ecosystems
into the atmosphere, as shown in the diagram, has altered with low primary productivity.
the carbon cycle during the past 250 years.
(see FRQ 1.4 for image) - -- quickly: combustion of FRQ 1.9 & 1.10
fossil fuels, Slowly: Calcium Carbonate sedimentation Explain why a relatively large forest can only support a
- the rate of which fossil fuels are transferred has led to an small number of wolves.
imbalance in which carbon reserves and sinks are storing Calculate the amount of energy available to a tertiary
carbon consumer in the following ecosystem.
100,000 J of energy produced by plants in the ecosystem
(after respiration) - -- because wolves are tertiary
FRQ 1.5 consumers and release the least amount of energy but
Describe one chemical transformation that occurs in the require the most energy out of the energy pyramid
natural nitrogen cycle and explain the importance of that - 100
transformation to an ecosystem. - -- humans
combust FFs to convert N2 gas into nitrate (NO3-)
- Certain bacteria that live in the soil, or in symbiotic FRQ 1.11
, APES Mid-Term Exam Test Questions with Answers Graded A+
Describe one direct effect that a decline in the frog use genetic modification of salmon with higher thermal
population would have on the food web. tolerance to be able to preserve the salmon population
Identify an organism that is both a secondary and tertiary throughout climate change, and keep the nutrients that are
consumer provided to species from the salmon.
(see FRQ 1.11 for image) - -- over population of
grass hoppers FRQ 2.5
- Snake Describe the relationship between latitude and change in
first leaf date depicted in the graph. Explain why you think
this relationship exists.
FRQ 2.1
Describe one of the three levels of biodiversity. (See FRQ 2.5 for image) - -- for latitudes for north
Explain how high biodiversity at the level you described is the leaf date is much earlier than areas with a more
beneficial to ecosystems. - -- Genetic diversity: how southern latitude, which have a much later leaf date.
different the genes are of individuals within a population - this relationship exists because areas with a more
(group of the same species) Northern latitude have a much colder climate that areas in
- The more genetic diversity in a pop. the better the a more southern latitude.
population can respond to env. Stressors like drought,
disease, or famine
FRQ 2.6
Describe the difference in beak size between the two
FRQ 2.2 islands. Make a claim about the reason for this difference
Describe an ecosystem service that intact forest in beak size.
ecosystems provide for humans.
Identify one human activity that could degrade this (see FRQ 2.6 for image) - -- the Daphne Island beak
ecosystem service and explain how the activity decreases size is much smaller than the Santa Cruz island beak size.
the value of the ecosystem service. - -- Trees in a - the reason they are different sizes is because the Santa
forest sequester (store) CO2 through photosynthesis Cruz island birds adapted to having a bigger beak which
which reduces rate of climate change & lessens damage Cohen sides with their survival.
caused by rising sea level & reduces crop failure from
drought
- Deforestation FRQ 2.7
- there would be less number trees reducing the storage Based on the graph below, explain whether spruce trees
of CO2 and increasing the rate of climate change are an early, middle, or late successional species.
(see FRQ 2.7 for image) - -- a middle successional
FRQ 2.3 species, because they appeared after pioneer species
Describe the processes of colonizing an island habitat. helped develop deeper soil required for the spruce trees
Describe how the island's distance from the mainland roots, also are very fast growing trees that are the most
influences the number of species that will colonize the frequent in the middle of graph.
island habitat. - -- when a new island habitat
emergences new species immigrate to the island, and
some will establish populations FRQ 3.1
- Closer to mainland = higher species richness, easier for Identify ONE characteristic of specialist species and
more species to migrate to island from mainland explain how that characteristic makes them more likely to
(swim/fly), More continual migration of individuals to the become extinct than generalist species. - -- smaller
island habitat range of tolerance
- special food requirements and and a weaker ability to
adapt to new conditions, makes specialist species more
FRQ 2.4 likely to become extinct
(see FRQ 2.4 for image) - -- the authors claim is
that as climate increases the temperature of the water that FRQ 3.2 (1 of 2)
salmon run and effect the salmon population, we could Identify ONE characteristic of an r-selected species that
FRQ 1.1 relationship with plant root nodules convert N2 into
Identify two organisms that compete for a shared food ammonia (NH3). Rhizobacteria live in root nodules of
resource. Describe how resource partitioning could legumes (peas, beans) & fix N for them in return for amino
reduce the competition between the two organisms you acids from the plant
identified.
(Look at FRQ 1.1 for image) - -- the polar bear, and FRQ 1.6
the orca. choose 2 reservoirs depicted in the diagram above and
- the use of resource partitioning would allow the orca and describe how phosphorus moves from one to the other
the polar bear to use the Atlantic cod in different ways
reducing the competition between the 2 of them. (see FRQ 1.6 for image) - -- Ocean and soil
- phosphates moves between these 2 reservoirs through
weather and the runoff of phosphate rock into the ocean
FRQ 1.2 and then with uplift restarting the cycling and bring
Identify one characteristic of a biome and explain how that phosphate back to the soil
characteristic determines the community of organisms
found in the biome. - -- Average yearly temperature
and perception FRQ 1.7
- that characteristic determines the nutrient availability and Chose a processes from the diagram. Identify the process
what plants are able to grow there, which can also effect and describe how water is moving from one reservoir to
what kind of animals are able to consume those types of another.
plants.
(See FRQ 1.7 for image) - -- Aquifer and ocean
precipitation
FRQ 1.3 - Precipitation recharges groundwater through infiltration,
Identify an organism found in an aquatic biome and but only if ground is permeable (able to let water pass
explain how that organism is uniquely adapted to live in through), and then through run off the water (and
that biome. - -- coral is an organism that is found in pollutants) are carried into oceans.
an aquatic biome
- it can survive there because of the energy it gets from
the algae, that area also has the correct level salinity, FRQ 1.8
depth, and temperature for the coral to be able to survive. Describe the process of net primary productivity (NPP).
Describe the relationship between primary productivity and
biodiversity. - -- Primary Productivity: rate that solar
FRQ 1.4 energy is converted into org. compounds via
Identify one process in the diagram that happens quickly photosynthesis over a unit of time
and one process that happens slowly. - Ecosystems with high primary productivity are usually
Explain how the rate at which fossil fuels are transferred more biodiverse (more div. of species) than ecosystems
into the atmosphere, as shown in the diagram, has altered with low primary productivity.
the carbon cycle during the past 250 years.
(see FRQ 1.4 for image) - -- quickly: combustion of FRQ 1.9 & 1.10
fossil fuels, Slowly: Calcium Carbonate sedimentation Explain why a relatively large forest can only support a
- the rate of which fossil fuels are transferred has led to an small number of wolves.
imbalance in which carbon reserves and sinks are storing Calculate the amount of energy available to a tertiary
carbon consumer in the following ecosystem.
100,000 J of energy produced by plants in the ecosystem
(after respiration) - -- because wolves are tertiary
FRQ 1.5 consumers and release the least amount of energy but
Describe one chemical transformation that occurs in the require the most energy out of the energy pyramid
natural nitrogen cycle and explain the importance of that - 100
transformation to an ecosystem. - -- humans
combust FFs to convert N2 gas into nitrate (NO3-)
- Certain bacteria that live in the soil, or in symbiotic FRQ 1.11
, APES Mid-Term Exam Test Questions with Answers Graded A+
Describe one direct effect that a decline in the frog use genetic modification of salmon with higher thermal
population would have on the food web. tolerance to be able to preserve the salmon population
Identify an organism that is both a secondary and tertiary throughout climate change, and keep the nutrients that are
consumer provided to species from the salmon.
(see FRQ 1.11 for image) - -- over population of
grass hoppers FRQ 2.5
- Snake Describe the relationship between latitude and change in
first leaf date depicted in the graph. Explain why you think
this relationship exists.
FRQ 2.1
Describe one of the three levels of biodiversity. (See FRQ 2.5 for image) - -- for latitudes for north
Explain how high biodiversity at the level you described is the leaf date is much earlier than areas with a more
beneficial to ecosystems. - -- Genetic diversity: how southern latitude, which have a much later leaf date.
different the genes are of individuals within a population - this relationship exists because areas with a more
(group of the same species) Northern latitude have a much colder climate that areas in
- The more genetic diversity in a pop. the better the a more southern latitude.
population can respond to env. Stressors like drought,
disease, or famine
FRQ 2.6
Describe the difference in beak size between the two
FRQ 2.2 islands. Make a claim about the reason for this difference
Describe an ecosystem service that intact forest in beak size.
ecosystems provide for humans.
Identify one human activity that could degrade this (see FRQ 2.6 for image) - -- the Daphne Island beak
ecosystem service and explain how the activity decreases size is much smaller than the Santa Cruz island beak size.
the value of the ecosystem service. - -- Trees in a - the reason they are different sizes is because the Santa
forest sequester (store) CO2 through photosynthesis Cruz island birds adapted to having a bigger beak which
which reduces rate of climate change & lessens damage Cohen sides with their survival.
caused by rising sea level & reduces crop failure from
drought
- Deforestation FRQ 2.7
- there would be less number trees reducing the storage Based on the graph below, explain whether spruce trees
of CO2 and increasing the rate of climate change are an early, middle, or late successional species.
(see FRQ 2.7 for image) - -- a middle successional
FRQ 2.3 species, because they appeared after pioneer species
Describe the processes of colonizing an island habitat. helped develop deeper soil required for the spruce trees
Describe how the island's distance from the mainland roots, also are very fast growing trees that are the most
influences the number of species that will colonize the frequent in the middle of graph.
island habitat. - -- when a new island habitat
emergences new species immigrate to the island, and
some will establish populations FRQ 3.1
- Closer to mainland = higher species richness, easier for Identify ONE characteristic of specialist species and
more species to migrate to island from mainland explain how that characteristic makes them more likely to
(swim/fly), More continual migration of individuals to the become extinct than generalist species. - -- smaller
island habitat range of tolerance
- special food requirements and and a weaker ability to
adapt to new conditions, makes specialist species more
FRQ 2.4 likely to become extinct
(see FRQ 2.4 for image) - -- the authors claim is
that as climate increases the temperature of the water that FRQ 3.2 (1 of 2)
salmon run and effect the salmon population, we could Identify ONE characteristic of an r-selected species that
