Carbon Sinks
Carbon dioxide is returned to the atmosphere primarily by the
What is respiration of consumers?
What are the three processes that fix atmospheric nitrogen?
What are lightning, industrial methods and bacteria living in the soil (biological)?
Which marcomolecules contain nitrogen?
What are proteins and nucleic acids?
What process releases carbon dioxide back into the atmosphere?
What is cellular respiration?
In an ecosystem, a fungus, such as the mushroom, functions as a
What is decomposer?
Respiration is the process by which ____________ is consumed and _______________ is produced.
What are oxygen and carbon dioxide?
What two processes fuel the carbon cycle?
What are cellular respiration and photosynthesis?
One type of organism is responsible for "fixing" nitrogen or helping to put it in a form so other living things can use it.
What is bacteria?
Once bacteria have fixed nitrogen, it can be taken up by plants and animals, where it is used in the production of
What are proteins?
When humans burn fossil fuels, most of the carbon quickly enters the ------------------ as carbon dioxide.
What is the atmosphere?
Which part of the carbon cycle occurs when plants convert sunlight and C02 into oxygen and sugar?
What is photosynthesis?
The recycling of nitrogen through Earth's spheres relies heavily on what other type of organism, not bacteria?
What is decomposer?
Eutrophication in coastal waters can cause an increase in
What is algal bloom?
TRUE OR FALSE: vegetation absorbs CO2
TRUE
How has man influenced the carbon cycle and increased the amount of carbon in the atmosphere?
What is burning of fossil fuels?
What is the role of bacteria living in and around plant roots in the soil?
What is conversion of nitrogen gas into ammonia and nitrates for uptake by the plants?
What is denitrification?
What is conversion of nitrate ions to N2?