P/S Cycle
The Carbon Cycle
The Water Cycle
The Nitrogen Cycle
Which cycle?
100
How is the phosphorus cycle different from other cycles?
Phosphorus doesn’t enter the atmosphere.
100
What is released as a waste product of cellular respiration?
CO2
100
How does water enter into the atmosphere?
evaporation
100
What is the name of the process in which nitrogen gas from the atmosphere is converted into a soluble form in the soil (ammonium)?
nitrogen fixation
100

Evaporation and precipitation

What is the water cycle?

200

What is the biggest phosphorus sink?

rocks/minerals/ores

200
What is the name of the process in which carbon dioxide is taken from the atmosphere?
Photosynthesis
200
When water condenses, _____________ is formed.
precipitation
200

What types of organisms can fix nitrogen?

nitrogen fixing bacteria

200

Photosynthesis & respiration

What is the Carbon Cycle?

300

The method that phosphorus moves into soil.

What is "rock weathering"?

300
What types of organisms are able to remove carbon dioxide from the environment?
Plants/autotrophs
300
Storm water that picks up pollutants and then flows into a body of water is called __________.
runoff
300

The process by which plants and animals incorporate nitrogen from the environment into organic compounds, like proteins and DNA

What is "assimilation"?

300

Combustion affects this cycle

What is the carbon cycle?

400

Phosphorus is needed to make __________ in our bodies.

What is DNA &/or proteins?

400
How do consumers take in their carbon compounds?
Eating.
400
What is the gaseous form of water called?
water vapor
400
Define “denitrification"
What is the name of the process in which bacteria convert nitrate back into nitrogen gas which is then released back into the atomosphere?
400

This element never cycles through the atmosphere.

What is phosphorus?

500

Humans disrupt the Phosphorus cycle by ________________.

P- add too much fertilizer that causes algae blooms in ponds, streams, and lakes.

500
How are the overall chemical equations for photosynthesis and cellular respiration similar?
They are opposites, the products in photosynthesis are the reactants in cellular respiration and vice versa.
500
What is the energy source that drives the water cycle?
Heat from the sun (solar energy) causes water to evaporate
500

The sphere contains almost no nitrogen

What is the geosphere?

500

These two elements are limiting nutrients.

What are nitrogen and phosphorus?

M
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