WorksheetsBiogeochemical Cycles Practice
Total questions: 15
Worksheet time: 11mins
What process is shown by letter B in the diagram?
condensation
transpiration
evaporation
precipitation
When humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.
Water
Atmosphere
Surrounding organisms
Ground
Which of the following removes carbon from the atmosphere? (Check all that apply)
Combustion
Respiration
Photosynthesis
Death
What do the water, carbon, oxygen, nitrogen, a phosphorus cycles have in common?
All involve liquid substances falling to the Earth from the atmosphere?
None of the processes works at low temperature.
All involve the constant cycling of substances between animals, plants, and the Earth.
All involve the transfer of substances between the earth and outer space.
Which of the following processes returns carbon to the atmosphere? (check all that apply)
Respiration
Photosynthesis
Decomposition
Combustion
The process where excess nutrients (likely nitrogen or phosphorus) enter a body of water causing overgrowth of aquatic plants and algae...
Eutrophication
Acid Precipitation
Nitrogen Fixation
Decomposition
The process of converting fixed nitrogen back into nitrogen gas is called -
denitrification
nitrogen fixation
assimilation
nitrification
Because nitrogen and phosphorus is required for growth but can often be scarce or cycled too slowly, it is considered an essential ___
nitrate
limiting nutrient
organism
cell
Which of the following is NOT true of phosphorus and the phosphorus cycle?
Phosphorus is mined from phosphorus rich rock, which is processed and then added to commercial inorganic fertilizers as well as detergents.
The phosphorus cycle utilizes the processes of erosion, and weathering.
Phosphorus is generally found in rocks, sediments, and soil.
The phosphorus cycle occurs more slowly than the other nutrient cycles.
Living organisms do not need phosphorus.
What is the difference between the movement of matter and energy through an ecosystem?
Matter cycles, energy flows
Matter flows, energy cycles
