The process in which nitrogen circulates among the air.
soil, water, plants, and animals in the ecosystem.
100
What is the continuous movement of water into the air, onto land, and then back to water sources.
water cycle
100
What is the movement from nonliving things to living things and back?
carbon cyle
100
What would happen if there was a decrease in nitrogen?
dead plants and animals
100
What are examples of precipitation?
rain, sleet, and snow
200
Which is the relationship of the nitrogen cycle and nitrogen fixing bacteria.
They both break down dead matters.
200
What is the part of the water cycle in which liquid water is heated and rises into the atmosphere
evaporation
200
Determine the component of proteins, fats, and carbohydrates of living things
carbon
200
What would happen if humans didn't burn fossil fuels?
no pollution?
200
List a place carbon is stored.
Limestone
300
What is the difference between condensation & precipitation?
condensation causes precipitation, water vapor forms water droplets
300
During ____ some of the carbon is released back into the atmosphere.
cellular respiration
300
What is sulfric acid as it falls to the ground?
acid rain
300
What is the nitrogen-fixing bvacteria?
orgainisms that can fix atmospheric nitrogen into chemical compounds are a few species of bacteria.
400
Express how decomposer are essentail to the nitrogen cycle.
They break down leave, animals, and plants.
400
Predict what would happen if there was no water cycle
people would die
400
Express how consumers obtain carbon from carbohydrates
they eat the producer
400
What would you predict if there wasn't anymore nitrogen?
less pollution?
400
Describe the relationship between nitrogen and living organisms.
All living thing require nitrogen to live and that they help keep the cycle moving with the "building' and "decay" parts of it.
500
Select the decomposers:
a. Decomposers break sown decaying plants
b. Bacteria transforms a small amount of nitrogen into nitrogen gases.
c. It returns to the atmosphere to complete the cycle.
A. Decomposers break sown decaying plants
500
What is the average salinity of ocean water
.
The salinity of ocean water is 3.5 percent
500
Predict how the carbon cycle has been altered by humans
pollution
500
What are the negative impacts of the different cycles?
air pollution, acid rain, and water pollution
500
Describe the nitrogen cylce in order.
nitrogen gas, decomposers chare proteins into nitrates, plants use nitrates, and bacteria change nitrates to nitrogen.