WorksheetsAPES Unit 1 Review
Total questions: 60
Worksheet time: 43mins
Individuals will use shared resources in their own self-interest rather than in keeping with the common good, thereby depleting the resources. This is known as
Self centeredness
Commonwealth sharing
Tragedy of the Commons
Public resource commons
Which of the following would be an example of Tragedy of the Commons?
Overfishing in a private pond.
Clearcutting in a National Forest
Spraying pesticides on a farm.
Overfishing the oceans.
Resource demands and waste production are all part of an individual or society's
ecological footprint.
ecological demand.
ecosystem services.
ecosystem choices.
_____________ refers to humans living on Earth and their use of resources without depletion of the resources without depletion of the resources for future generations.
Ecosystem services
Sustainability
Human impact
Ecological footprint
Energy sources that exist in fixed amount and involve energy transformation that cannot be easily replaced are called
renewable resources.
nonrenewable resources.
infinite resources.
solar energy.
Resources that can be replenished natrually, at or near the rate of consumption, and reused are called
renewable resources.
nonrenewable resources.
fossil fuels.
minerals.
Symbiosis where both parties benefit.
Commensalism
Parasitism
Mutualism
Symbiosis where one benefits and one is harmed.
Commensalism
Parasitism
Mutualism
Symbiosis where one benefits and the other isn't affected.
Commensalism
Mutualism
Parasitism
Which is an example of an abiotic component affecting a biotic component.
Low phosphorus content in soil limits the growth of vegetation.
A thick planting of ground cover reduces soil erosion on a hillside.
Plants release oxygen into the atmosphere during photosynthesis.
Which of the following is a characteristic of tropical rain forests?
Their soils are relatively poor in nutrients.
Their soils are typically high in pH.
They do not exhibit a great deal of species diversity.
Why is phytoplankton in the upper few hundred feet of water bodies.
They can mostly readily hide from predators there
Sunlight does not penetrate to great depths in water
They are benthic organisms
Which of the following is true of carbon as it cycles in nature?
Carbon compounds rarely exist in the gaseous state
Carbon dioxide is released during photosynthesis.
Carbon sinks include forests and oceans.
What is the ultimate source of energy for terrestrial ecosystems.
The sun
Nutrients in soil
Producers
Why are decomposers important?
They store carbon dioxide
They remove heavy metals
They recycle nutrients
Barnacles attach themselves to the skin of whales. This allows them to filter feed as the whale swims. The whale is unaffected. This is an example of...
Competition
Predation
Mutualism
Commensalism
Click on the image to enlarge it. Which biome is being shown in the climatogram?
Desert
Tundra
Tropical Rainforest
Temperate Seasonal Forest
Click on the image to enlarge it. Which biome is being shown in the climatogram?
Desert
Tundra
Tropical Rainforest
Temperate Seasonal Forest
_______ increases the amount of atmospheric CO2 while ______ decreases the amount of atmospheric CO2.
Cellular Respiration, Photosynthesis
Photosynthesis, Burning of Fossil Fuels
Burning of Fossil Fuels, Photosynthesis
Photosynthesis, Cellular Respiration
The process of atmospheric nitrogen being converted into a usable form is called...
nitrogen fixation
nitrification
ammonification
assimilation
Denitrification is...
the conversion of waste into ammonium
the conversion of atmospheric nitrogen into usable nitrogen
the conversion of soil nitrogen back into atmospheric nitrogen
the conversion of ammonium to nitrites
An increase of which two molecules in water sources leads to eutrophication?
Carbon & Phosphorus
Nitrogen & Water
Phosphorus & Water
Nitrogen & Phosphorus
The two main processes that return water to the atmosphere are...
Evaporation & Transpiration
Precipitation & Transpiration
Precipitation & Evaporation
If the GPP of an area is 57 kcal/m2/yr and the amount of energy lost to respiration is 23 kcal/m2/yr, what is the NPP of the area?
80 kcal/m2/yr
57 kcal/m2/yr
23 kcal/m2/yr
34 kcal/m2/yr
If the GPP of an area is 25 kcal/m2/yr and the NPP of the same area is 15 kcal/m2/yr, what is the amount of energy that is lost to respiration?
25 kcal/m2/yr
15 kcal/m2/yr
10 kcal/m2/yr
40 kcal/m2/yr
Which of the following correctly lists the biomes in order from MOST productive to LEAST productive?
Tundra > Tropical Rainforest > Savana
Tropical Rainforest > Desert > Savana
Savanna > Tropical Rainforest > Desert
Tropical Rainforest > Savana > Desert
If producers capture 80,000 J of energy from the sun, how much will be passed on to the secondary consumers?
8,000 J
800 J
80 J
8 J
If producers capture 65,000 J of energy from the sun, how much will be passed on to the tertiary consumers?
6,500 J
650 J
65 J
6.5 J
The concentration of carbon dioxide in the atmosphere
is increasing in part due to fossil fuel use.
has not significantly changed in the past 200 years.
is increasing in part due to deforestation.
has been decreasing since the 1800’s.
can not be reliably measured
Place the ecology levels of organization in proper order (smallest to largest)
organism > population > community > ecosystem > biosphere
community > organism > ecosystem > biosphere > population
organism > community > biosphere > population > ecosystem
population > biosphere > ecosystem > community > organism
A tapeworm lives in the small intestines where it feeds and grows, robbing the human of essential nutrients. This is a _____ type of relationship.
Commensalism
Parasitism
Symbiotic
Mutualism
The cattle egret follows herds of cattle and eat the insects that the cattle stir up as they move through the grassland. The cattle appear to be unaffected by the egrets. This is a _____ type of relationship.
Commensalism
Parasitism
Symbiotic
Mutualism
A positive feedback loop occurs
when a system responds to a change by returning to its original state
when feedback into a system decreases a rate of response
when a system is in a steady state
when feedback into a system increases a rate of response
Which is a biotic factor?
producers
pH
energy
humidity
Which best describes the concept of net primary production?
total amount of energy available from the Sun
total amount of cellular respiration conducted within an ecosystem
energy captured minus energy lost
total amount of energy available from the producer
In which biome would you expect to find an area with an average temperature of 10oC and 200 cm of precipitation annually?
Temperate seasonal forest
Temperate rainforest
Woodland/shrubland
Tropical seasonal forest
In which biome would you expect to find an area with an average temperature of 4oC and 50 cm of precipitation annually?
Tundra
Boreal forest
Temperate grassland/cold desert
Woodland/shrubland
What factors are used to classify a biome?
average temperature
average precipitation
distinctive plants adapted to area
all of these are correct
Which biome is characterized by the presence of permafrost?
temperate seasonal forest
woodland/shrubland
tundra
boreal forest
Terrestrial biomes are defined by ____ and ____ variables.
temperature; precipitation
temperature; animals
precipitation; plants
animals; plants
A keystone species is best defined as
an organism that eats all others
an organism that runs the fastest
an organism that keeps the food web stable
an organism that has the most advantages
Which of the following are examples of wetlands?
swamps
marshes
bogs
all of these are correct
The direction of an arrow in a food chain represents
the flow of energy from organism B to A
the movement of organisms
the directionality of the sun
the flow of energy from organism A to B
Which pair of biogeochemical cycles are most associated with inorganic fertilizer and sewage waste?
Carbon and Nitrogen cycles
Carbon and Sulfur cycles
Phosphorus and Nitrogen cycles
Sulfur and Nitrogen cycles
Sulfur and Water cycles
Most energy on Earth comes from
volcanoes
the sun
trees
water
fire
Greenhouse gases in the Earth's atmosphere
are in steady state
are decreasing
are increasing
can not be measured
Choose the correct sequence for energy flow within an ecosystem
Herbivores --> producers --> carnivores --> scavengers
Producers --> herbivores--> carnivores --> scavengers
Producers --> carnivores --> herbivores--> carnivores
Scavengers--> carnivores --> herbivores--> producers
Which group of organisms perform photosynthesis?
scavengers
autotrophs
heterotrophs
decomposers
An addition of a limiting nutrient to an ecosystem may lead to an algal bloom. What effect will this algal bloom have on the oxygen content of the water?
The algae bloom will cause the oxygen content in the water to increase overall
The algae bloom will cause the oxygen content in the water to decrease, leading to hypoxic conditions
The algae bloom will have no impact on the oxygen content of the water
The algae bloom will cause rapid fluctuations of oxygen in the water
In general, algal blooms occur when
toxins accumulate in shellfish.
nutrients decrease in the water.
nutrients increase in the water.
All of the following statements about the pyramid of biomass are correct EXCEPT:
Biomass is the total dry mass of the organisms present.
The amount of biomass at a particular level of the pyramid depends on the amount of energy available.
The base of the pyramid generally represents primary consumers.
Certain toxins tend to become concentrated at upper levels of the pyramid.
Losses of usable energy between successive trophic levels in an ecosystem are best accounted for by which of the following?
The first law of thermodynamics
The second law of thermodynamics
The law of conservation of matter
The process of ecological succession
