In Mediterranean climate regions like portions of California, a wetter-than-normal winter often leads to greater severity of fires the following summer. This seeming paradox occurs because increased rain leads to

greater accumulation of chapparal biomass

greater recreational use of parklands

greater erosion and damage of access roads

Which of the following statements is true of aquatic biomes?

Freshwater and marine biomes are evenly distributed on Earth.

Freshwater biomes are a vital source of drinking water.

Freshwater biomes supply a greater portion of Earth’s oxygen than marine biomes.

Marine biomes include streams, rivers, ponds, and lakes.

Organisms adapted to surviving in water with the widest range of salinity would most likely be native species in which of the following marine environments?

The ocean covering the abyssal plain

The photic zone in the open ocean

How does the burning of fossil fuels contribute to the net increase in atmospheric carbon?

Carbon that has been sequestered underground is added to the carbon cycling between the atmosphere and the biosphere.

Photosynthesis is reduced by virtue of increased smoke and haze.

Carbon released by the burning is not in a form that can be readily absorbed by plants, leaving residual carbon in the atmosphere.

Carbon released by the burning is more easily absorbed in the atmosphere than that produced by natural means.

Which of the following is true of carbon as it cycles in nature?

Carbon sinks include forests and oceans.

Carbon dioxide is released during photosynthesis.

Carbon compounds rarely exist in the gaseous state.

The carbon dioxide concentration in the atmosphere is reduced by cutting trees.

The annual fluctuation in carbon dioxide concentration can best be explained by the

seasonal photosynthetic activity of green plants

regularity of volcanic activity

A field is abandoned, and an invasive plant that can live in nutrient-poor soil moves into the field. If the land is later cleared of this invasive species and it is discovered that the soil has an abundance of nitrogen compounds, what conclusion can best be made?

Bacteria in soil and in root nodules converted free nitrogen into nitrogen compounds.

The plants used up all of the phosphorus and potassium and left the nitrogen behind.

Primary succession always produces an abundance of nitrogen.

More rock was weathered and broken down to release nitrogen compounds.

Which process in the nitrogen cycle releases nitrogen gas into the atmosphere?

Denitrification of soil nitrates by bacteria

Leaching of fertilizers from agricultural areas

Assimilation of soil nitrates by plants

Bacteria fixation of nitrogen in soil

Which of the following biogeochemical cycles is correctly paired with its largest reservoir?

The nitrogen cycle and the atmosphere

The hydrologic cycle and living things

The phosphorus cycle and bacteria

The diagram shows the amount of phosphorus measured in teragrams (1 teragram = 1×10 12 grams), in the various reservoirs of the phosphorus cycle. Which of the following is the best explanation for why there is such a small amount of phosphorus that moves into aquatic systems?

There is not a gaseous phase of the phosphorus cycle, and therefore the movement of phosphorus into oceanic reservoirs is very slow.

Phosphorus is highly stable in the atmosphere and remains there for long periods of time.

The amount of phosphorus in the cycle has been greatly reduced because of the use of catalytic converters in automobiles.

The phosphorus cycle occurs so rapidly that it does not exist in any one reservoir for a very long time.

The diagram shows the amount of phosphorus measured in teragrams (1 teragram = 1×10 12 grams), in the various reservoirs of the phosphorus cycle. According to the diagram, the movement of phosphorus between biological organisms and soil is in a steady state in an undisturbed system. Which of the following best explains the reason for this steady movement?

Readily available organic phosphorus in the soil is assimilated by plants.

Phosphorus is taken up by plants during photosynthesis to create carbohydrates.

A decrease in buffer zones prevents phosphorus runoff in waterways.

There is a rapid influx of phosphorus from the weathering of rocks.

Which of the following best describes the process of leaching?

Water percolating through soil, dissolving some of its material

The falling of acid precipitation from the atmosphere to Earth’s surface

The use of chemicals to reduce the amount of E. coli in wastewater

The use of drip irrigation on a crop of wheat

Which of the following best describes gross primary productivity in an ecosystem?

Gross primary productivity is the total amount of solar energy captured by producers through photosynthesis over time.

Gross primary productivity is the total amount of energy captured by producers plus the energy used by consumers over time.

Gross primary productivity is the total amount of energy captured by producers minus the energy that producers respire over time.

Gross primary productivity is the total amount of energy lost as heat during energy transfer between trophic levels.

Which of the following best describes the net primary productivity of an ecosystem?

Net primary productivity is the amount of energy lost through respiration by producers subtracted from the gross primary productivity of an ecosystem.

Net primary productivity is the amount of energy captured by producers through photosynthesis over time.

Net primary productivity is the amount of energy lost by producers through respiration over time.

Net primary productivity is the amount of energy lost through respiration by producers added to the gross primary productivity of an ecosystem.

Scientists calculated the net primary productivity at two different forest sites. Both forests have the same gross primary productivity. Forest A has a net primary productivity of 1,650kcal/m 2 /year, and forest B has a net primary productivity of 1,110kcal/m 2 /year. Which of the following statements is best supported by the data?

Forest A producers have lower rates of cellular respiration than forest B producers.

Forest A has a higher rate of decomposition by bacteria than forest B.

Forest A has more biodiversity than forest B.

Forest A producers have more biomass than forest B producers.

Which of the following best describes the movement of energy in an ecosystem?

Energy is harnessed by producers, and available energy decreases with each trophic level transfer.

Energy is constantly recycled by decomposers for use by producers.

Energy is absorbed by plants through water and soil and then moves up the food chain through consumers.

Energy is magnified as it moves up the trophic levels, and tertiary consumers store the most energy in a food web.

The table shows the balanced chemical equations that represent three processes that are part of the nitrogen cycle. Which of the following is exemplified by the equations?

Each biogeochemical cycle demonstrates the conservation of matter.

Approximately 10% of energy is transferred from one trophic level to the next.

In a food web, energy flows and matter is cycled.

The major reserve for nitrogen is in the atmosphere.

Which of the following best describes the first law of thermodynamics?

In a closed system of constant mass, the energy involved in any physical or chemical change is neither created nor destroyed, but merely changed from one form to another.

Energy always changes from a more useful, more concentrated form to a less useful, less concentrated form.

In a reversible process, the entropy of the system is constant, whereas in an irreversible process, the entropy of the system increases.

Entropy of a system increases as the state of disorganization in the system increases.

Which of the following best explains why decomposers in soils and water are important to ecosystems?

They produce more oxygen than they consume.

The feeding relationships between several marine organisms are shown in the food web. Based on the diagram, which of the following best describes the most likely direct effect of a decline of the small fish population on the marine food web?

The jellyfish population will increase because of decreased predation.

The jellyfish population will experience local extinction because of a lack of food resources.

The jellyfish population will migrate to an area with more available habitat for eggs.

The jellyfish population will decrease from the increase in the sea turtle and tuna populations.

APES Unit 1 Review

Authored by Victoria Wolverton

Science

12th Grade

NGSS covered

Used 59+ times

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1 min • 1 pt

Which symbiosis is exemplified by bees consuming nectar and carrying pollen from one flower to another?

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Which symbiosis is exemplified by moss growing on a tree trunk in a forest?

FILL IN THE BLANK QUESTION

1 min • 1 pt

Which symbiosis is exemplified by starlings displacing bluebirds from nesting sites?

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Which symbiosis is exemplified by ticks feeding on a deer?

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Two bird species coexist by feeding on the same type of insects in different parts of a tree. One bird species hunts insects near the top of the tree. The other bird species hunts insects near the base of the tree. Which of the following concepts is demonstrated between the two bird species?

Predator-prey

Resource partitioning

Mutualism

Parasitism

This biome contains plants that are adapted to prevent water loss due to the low average rainfall and high temperatures year-round.

This biome has the highest net primary productivity, in part because of consistently warm temperatures and abundant sunlight.

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APES Unit 1 Review

Which symbiosis is exemplified by bees consuming nectar and carrying pollen from one flower to another?

Which symbiosis is exemplified by moss growing on a tree trunk in a forest?

Which symbiosis is exemplified by starlings displacing bluebirds from nesting sites?

Which symbiosis is exemplified by ticks feeding on a deer?

Two bird species coexist by feeding on the same type of insects in different parts of a tree. One bird species hunts insects near the top of the tree. The other bird species hunts insects near the base of the tree. Which of the following concepts is demonstrated between the two bird species?

This biome contains plants that are adapted to prevent water loss due to the low average rainfall and high temperatures year-round.

This biome has the highest net primary productivity, in part because of consistently warm temperatures and abundant sunlight.

The underlying subsoil of this biome is permafrost, which prevents both water draining through and deep-rooted plants from growing. Additionally, there is very little precipitation per year.

The thick forest of this biome tends to be well adapted to short growing seasons.

In Mediterranean climate regions like portions of California, a wetter-than-normal winter often leads to greater severity of fires the following summer. This seeming paradox occurs because increased rain leads to

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

APES Unit 1 Review

Which symbiosis is exemplified by bees consuming nectar and carrying pollen from one flower to another?

Which symbiosis is exemplified by moss growing on a tree trunk in a forest?

Which symbiosis is exemplified by starlings displacing bluebirds from nesting sites?

Which symbiosis is exemplified by ticks feeding on a deer?

Two bird species coexist by feeding on the same type of insects in different parts of a tree. One bird species hunts insects near the top of the tree. The other bird species hunts insects near the base of the tree. Which of the following concepts is demonstrated between the two bird species?

This biome contains plants that are adapted to prevent water loss due to the low average rainfall and high temperatures year-round.

This biome has the highest net primary productivity, in part because of consistently warm temperatures and abundant sunlight.

The underlying subsoil of this biome is permafrost, which prevents both water draining through and deep-rooted plants from growing. Additionally, there is very little precipitation per year.

The thick forest of this biome tends to be well adapted to short growing seasons.

In Mediterranean climate regions like portions of California, a wetter-than-normal winter often leads to greater severity of fires the following summer. This seeming paradox occurs because increased rain leads to

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

The underlying subsoil of this biome is permafrost, which prevents both water draining through and deep-rooted plants from growing. Additionally, there is very little precipitation per year.