Nutrient cycle
Process in which elements, and other forms of matter from one organism to another
What is the biogeochemical cycle?
What do plants use in the process of photosynthesis to make sugar and oxygen?
CO2
Rocks and minerals
What is phosphorus contained in?
Our atmosphere is made up of nitrogen gas
What is 78%?
The most common cycle people know
What is the water cycle?
Oxygen is within each of the cycles
What is water, nitrogen, carbon, and phosphorus?
a natural source for CO2
What is volcano?
Could run off into the water
What is the use of too much phosphorus-rich fertilizers bad for the environment?
Animals and plants can’t directly use all the nitrogen
What is the atmosphere?
The purest water on Earth?
What is glacier and ice caps?
Mining and burning of the fossil fuels
What is human activity?
6CO2+ 6H2O-> C6H12O6+6O2
What is the photosynthesis equation?
Too much phosphorus in water leads to
what is plant overgrowth?
Animal waste decay by action of bacteria creates
What is Ammonia and Nitrate?
nearly 97% of earth is made up of
What is the water?
Volcanic eruptions, rock formations and plate tectonics
What is geological?
CO2 released in the atmosphere more today than in the past
What is burning of fossil fuels?
Phosphorus in water is washed away into
What is Water basin?
Special bacteria can directly use nitrogen in the atmosphere and fix it so other organisms could benefit
what is nitrogen fixing?
The process that changes liquid water to gaseous water
What is evaporation?
nutrient whose supply limits productivity
What is Limiting nutrients?
Coal, oil, and natural gas
What is deposits burned as fossil fuels?
An essential nutrient for life, makes up important chemicals
What is DNA?
Breaks down soil and ammonia into the gaseous form of nitrogen
What is denitrification?
The process by which water vapor in the air is changed into liquid water
What is condensation?