3 WK REVIEW P1 - CYCLES

• Animal waste

• Decomposers

• Nitrifying bacteria

• Atmospheric nitrogen

• increasing levels of nitrogen that protect against atmospheric temperature change

• reducing emissions of ultraviolet radiation that cause the greenhouse effect

• increasing levels of oxygen that sustain microbial and other forms of life

• reducing emission of greenhouse gases that cause global warming

• The process of sunlight causing water to evaporate, which then condenses and eventually precipitation occurs.

• The process of fish and mammals utilizing sunlight, carbon dioxide, nitrates and water and converting these factors into oxygen and glucose.

• The process of plants and trees utilizing sunlight, carbon dioxide, nitrates and water and converting these factors into oxygen and glucose.

• The process of breaking down dead organic matter.

• creation of limestone

• deforestation

• desalinization 

• combustion of coal

• was once a living organism

• became a habitat for many insects

• stored rainwater for birds to drink

• occupied space in the forest

• Falling rain cannot maintain dissolved nitrogen compounds

• Plants cannot process atmospheric nitrogen

Soil minerals cannot retain nitrates

• atmospheric nitrogen cannot be absorbed by ground water

Carbon

Nitrogen or Phosphorus

Carbon

Nitrogen or Phosphorus

Carbon

Nitrogen or Phosphorus

Carbon

Nitrogen or Phosphorus