Biogeochemical Cycles
Food webs/Trophic levels
Biomes
Energy types
Misc
100
Photosynthesis and Cellular Respiration is part of which biogeochemical cycle?
Carbon Cycle
100
What is the percentage of energy LOST as it moves from producer to primary consumer to secondary consumer?
90%
100
Which biome is characterized by low temperatures and low precipitation?
Tundra
100
What is the source of all energy?
The sun
100
What is the difference between abiotic and biotic
Biotic is living organisms, Abiotic is non-living organisms
200
What is the process by which a liquid changes to a gas?
Evaporation
200
What type of organism is missing from an Energy pyramid?
Decomposers
200
The 2 abiotic factors that define a biome
Temperature and Precipitation
200
A snowboarder at the top of a hill has what type of energy?
Potential Energy
200
Describe a mathematical expression to show a population that is decreasing. (Use the following terms: B, I, D, E)
B+I < D+E
300
Why must nitrogen fixation take place?
Atmospheric Nitrogen (N2) is unusable to plants and animals
300
How many carnivores are shown in the food web?
5
300
What is the x-axis and y-axis of a climatogram?
X-axis: Months
Y-axis: Temperature and Precipitation
300
What does MRS.CHEN acronym stand for?
Mechanical, Radiant, Sound, Chemical, Heat, Electrical, Nuclear
300
Through what process does carbon enter the Biotic environment?
Photosynthesis
400
Explain assimilation
When nitrogen is taken up by the root of plants
400
Why are food webs and energy pyramids limited to only 4-5 levels?
There's not enough energy to support another level on the energy pyramid.
400
Which biome has the most biodiversity?
Tropical rainforest
400
What type of energy is shown. 
Chemical Energy
400
What is the independent variable and dependent variable of this graph. 
Independent variable: Months
Dependant variable: temperature and precipitation
500
Where does the phosphorus cycle start?
Weathering of rocks
500
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
Frog, salamander and trout
500
Where are desert biomes found?
- Tropic of cancer and Tropic of capricorn
- 20 degrees above and below the equator
500
What type of energy is shown. 
Radiant Energy
500
Name 2 ways in which the carrying capacity of an ecosystem increases
increased preys, increase resources (water), Increased space