Show:
Water Cycle
Carbon Cycle
Nitrogen Cycle
Phosphorus Cycle
100
To Name three important need for water?
drink, to plans, and to bath
100

 How does carbon enter the living part of the ecosystem?

from the 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?

Plants go through photosynthesis

200
Why is Nitrogen essential to life?
amino and nucleic acids
200

What happens to phosphorus that erodes from rock and soil?

unites with Oxygen to make phosphates

300
What is traspiration?
Bace of water vapons from plans
300

How are organisms able to return carbon dioxode to the atmosphere?

Cellular 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

How might humans impact 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 volcanoes 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