Limitations
The limit to productivity
What is nutrients?
The process plants use to make sugar and oxygen
What is photosynthesis?
Contained mostly in rocks and minerals
What is phosphorus?
Created when water vapor collects in the atmosphere
What are clouds?
What is nitrogen?
A nutrient whose supply limits productivity
What is a limiting nutrient?
A natural source for CO2
What are volcanoes?
The important chemical made up by phosphorus
What is DNA?
The two factors that make up the water cycle
What are biological and physical/chemical?
Products that are rich in nitrogen
What is nitrate?
Used to replace nutrients in plants
What is fertilizer?
Carbon dioxide+water(+sunlight)=sugar & oxygen
What is the equation for photosynthesis?
Causes overgrowth in water
What is too much phosphorus?
The main sources of water from evaporation
What are oceans and lakes?
Created by bacteria that help with animal waste and decay
What is ammonia?
The limiting nutrient in the ocean
What is nitrogen?
Coal, oil, and natural gas
What are deposits of fossil fuels?
Helps pass on the phosphorus through its cycle
What are animals and their waste?
Water that seeps into the ground
What is groundwater?
The process by which bacteria in soil break down the ammonia into gaseous nitrogen
What is denitrification?
The limiting nutrient in freshwater
What is phosphorus?
Too much CO2 in the atmosphere
What is the greenhouse effect?
Man-made source of phosphorus
What is pollution?
The thing that brings groundwater to the surface
What are roots?
The percent that nitrogen makes up in the atmosphere
What is 78%?