When consumers & producers create waste products or die, what organisms break down these tissues to release carbon back into the atmosphere as a gas?
What are decomposers?
100
Name the process by which precipitation seeps down or percolates down into the ground, eventually replenishing ground water.
What is infiltration?
100
How can humans fix nitrogen?
What is by making fertilizer?
100
Once nitrogen is fixed into ammonia, it can then be changed into nitrites or nitrates. Name this process.
What is nitrification?
100
How is phosphorus released into the ecosystem from rocks?
What are weathering & erosion?
200
Name of the gas that decomposers release back into the atmosphere.
What is carbon dioxide?
200
Name the process by which precipitation drains off of the land into surface bodies of water such as rivers and oceans.
What is run off?
200
Once nitrogen is fixed into ammonia, it can also be dissolved to form ammonium. What is this process called?
What is ammonification?
200
Nitrogen fixing bacteria live in the roots of what types of plants (not examples - but what type)
What are legumes?
200
Some nitrogen is fixed by blue/green bacteria that live in water. What is the name for these blue/green bacteria?
What is cyanobacteria?
300
List one of two possible carbon compounds that dead organisms can be changed into with enough time, heat, and pressure.
What are fossil fuels or limestone?
300
List all six processes that occur in the water cycle.
What is evaporation, transpiration, condensation, precipitation, infiltration, & run off?
300
After plants assimilate the ammonia, ammonium, or nitrates, how do animals obtain their nitrogen?
What is by eating plants or eating animals that ate plants?
300
List two examples of legumes.
What are beans, peas,& clovers?
300
How many tons of trash are created in Knox County per day?
What are 2000-tons?
400
Humans burn fossil fuels. Name the gas that is created when fossil fuels are burned and name the environmental problem that this gas contributes to.
What are carbon dioxide and global warming?
400
What does assimilate mean?
What is to take up?
400
Eventually animals create waste products and die. Decomposers break down the compounds into ammonia, ammonium, nitrites, and nitrates. Bacterial in the soil can then change the nitrates back into atmospheric nitrogen. What is this process called?
What is denitrification?
400
What structure do nitrogen fixing bacteria live inside of on the roots of legumes?
What are root nodules?
400
What are the three R's?
What is reduce, reused, and recycle?
500
List three reasons why living things need carbon (what is carbon an essential component of)
What are proteins, fats, carbohydrates, & DNA?
500
Name of the small pore like openings on leaves of plants that allow water vapor to be released from plants during transpiration.
What are stomata?
500
List two of three environmental problems that humans contribute to that alter the nitrogen cycle.
What is acid rain from the burning of fossil fuels, live stock waste releases nitrogen oxides that contribute to the green house effect and eutrophication?
500
DAILY DOUBLE - what compound do nitrogen fixing bacteria in root nodules change atmospheric nitrogen into?
What is NH3 - ammonia?
500
Explain how decomposers such as read worms are related to the carbon, nitrogen, and phosporus cycles.