uniCYCLE
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Dirty Dinner Plate
Species Diversity
100
Exemplified by moss growing on a tree trunk in a forest.
a. commensalism
b. parasitism
c. mutualism
d. competition
What is a. commensalism?
100
Which biome is more likely to survive a change in the environment?
a. High (rich) biodiversity
b. Low (poor) diversity
What is a. High (rich) biodiversity?
100
factors that affect a population depending on its size
- these include food, predation, parasitism, and disease
a. Density-Dependent factors
b. Density-Independent factors
What is a. Density-Dependent factors?
100
Which horizon is made up of partially weathered rocks?
What is Horizon C?
100
Human population growth of Mozambique in 2021 was 2.8. If growth remains constant, in what year will the human population double?
a. 25
b. 2046
c. 2021
d. 2050
What is b. 2046?
200
Five species of warblers coexist in the same fir tree by occupying different areas of the tree. This demonstrates.
a. adaptive radiation
b. competitive exclusion
c. natural selection
d. resource partitioning
What is d. resource partitioning?
200
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
a. 10 Kcal
b. 1 Kcal
c. 100 Kcal
d. 1000 Kcal
What is c. 100 Kcal?
200
What growth rate does this population pyramid represent? 
a. Rapid growth
b. Slow growth
c. Negative growth
d. Zero growth
What is c. Negative Growth?
200
El Nino occurs when the tropical ocean waters are warmer in which ocean?
a. Atlantic
b. Artic
c. Indian
d. Pacific
What is d. Pacific?
200
The atmospheric concentration of carbon dioxide increased from 278 ppm in 1790 to 383 ppm in 2007. What is the approximate percent increase in carbon dioxide concentration from 1790 to 2007?
a. 38%
b. 50%
c. 92%
d. 105%
What is a 38%?
300
Which of the following major storage reservoirs of carbon, stored in the form of carbon dioxide, is not represented in this diagram?
a. Algae
b. Soil bacteria
c. The moon
d. The ocean
What is the ocean?
300
What is the NPP if the GPP is 5.8 kg C/m2/year and respiration is 2.4 kg C/m2/year?
What is 3.4 kg C/m2/year?
300
What is the carrying capacity for this sheep population?
a. 1.8 million
b. 1.25 million
c. 1.6 million
d. 1.0 million
What is c. 1.6 million?
300
Soil sample that is 60% clay, 30% silt, and 10% sand has which texture?
What is clay?
300
Which of the following factors is fundamentally responsible for seasons on Earth?
a. The varying distance of Earth from the Sun
b. The tilt of Earth's axis of rotation
c. The latitudinal variation in temperature and precipitation
d. The tidal pull of the Sun and Moon
What is b. the tilt of Earth's axis of rotation?
400
The process by which a soil nutrient is reduced and released to the atmosphere as a gas
a. Photosynthesis
b. Eutrophication
c. Denitrification
d. Decomposition
What is c. Denitrification?
400
Which of the following correctly describes the disruption of an ecosystem service by an anthropogenic activity?
a. Provisioning services are disrupted by increased combustion of fossil fuels, which leads to an increase in air pollution
b. Regulating services are disrupted by flash flooding from a hurricane, which decreases available food resources
c. Supporting services are disrupted by an earthquake that causes habitat destruction, which displaces plants and animals
d. Cultural services are disrupted by tornado that causes the loss of acres of forest, which reduces the amount of harvestable timber
What is a.?
400
In Stage 2, the Total Population is...
a. Growing slowly
b. Growing quickly
c. Not growing
What is b. Growing quickly?
400
Which soil component has the least capacity for holding water?
a. silt
b. clay
c. sand
d. humus
What is c. sand?
400
Explain why City B receives less precipitation than City A.
What is the rain shadow effect causes City B to be drier because the mountain block precipitation from reaching the city?
500
Which cycle is illustrated in the image below?
What is the nitrogen cycle?
500
Which tree species grows best with full sunlight?
What is Beech?
500
What stage of the Demographic Transition Model is this country in?
a. Stage 1
b. Stage 2
c. Stage 3
d. Stage 4
What is a. Stage 1?
500
Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that
a. the oceanic crust is melting
b. the denser oceanic crust is subducting under the less dense oceanic crust
c. the tectonic plates are moving away from each other.
d. the volcanic islands are forming over a hot spot
What is b. the denser oceanic crust is subducting under the less dense oceanic crust?
500
Which of the following areas receives the most intense solar radiation at the time of year shown in the diagram, and why?
a. Antarctic Circle b. Arctic Circle
c. Tropic of Capricorn d. Tropic of Cancer
What is c. Tropic of Capricorn?