Show:
Water Cycle
Carbon Cycle
Nitrogen Cycle
Phosphorus Cycle
100
Name three important need for water?
drink, to plans, and to bath
100
out of atmosphere How does carbon enter the living part of the ecosystem?
out of atmosphere
100
What percent of air is nitrogen?
78 %
100
Why is phosporus an important biological molecule?
makes up ATP and NADP; nucleic acids and phospholipids in membrane
200
What draws water back to the Earth?
Precipitation
200
What function do plants have the carbon cycle?
Plans go through photosenthesis
200
Why is Nitrogen essential to life?
amino and nucleic acids
200
What happens to phosphorus that erodes from rock and soil?
Phosphorus unites with Oxygen to make phosphates
300
What is traspiration?
Bace of water vapons from plans
300
How is carbon dioxode returned to the atmosphere?
Sell or respiration
300
How do plants and animals get nitrogen if not from the atmosphere?
nitrogen fixation
300
How are phosphates incorporated into the organic molecules in aquatic plants and animals?
fish scales
400
Usage of water in their community What are human impacts on the water cycle?
Usage of water in their community
400
What are the human impacts on the carbon cycle?
Use of cars and cut off trees and fores
400
What are nitrogen fixing bacteria?
bacteria that convert nitrogen into ammonia that is used by plants
400
What happens to phosphorus that is carried by runoff to oceans?
marine sediment, animal bodies- fish scales
500
Name two ways water travels from land to enter the ocean?
Name two ways water travels from land to enter the ocean?Granwater and runoff
500
How does carbon get into the oceans?
by volcanos and wastes of other organisms
500
what is denitrification?
performed by bacteria and fungi and break down nitrates in soil to release nitrogen in atmosphere.
500
what is the difference about the phosphorus cycle as compared to the water, carbon, and nitrogen cycles?
not in atmosphere