Carbon and Nitrogen Cycles Review 1
The definition of a biogeochemical cycle.
What is one of five important natural cycles that sustain the world's ecosystems?
What is 70%?
The ways water enters the atmosphere in the water cycle.
The importance of nitrogen in plants.
What is protein/DNA synthesis and making chlorophyll?
The main components of the Nitrogen Cycle.
What happens in the Oxygen Cycle?
What is humans releasing CO2 and plants return it as O2?
The way phosphorus is fixed in the Phosphorus Cycle.
What is ocean microbes?
The plant-usable form of nitrogen.
What is nitrates?
How inorganic nitrogen becomes usable for plants.
What is nitrogen fixation by bacteria?
The role of volcanoes in the Carbon Cycle.
What is releasing CO2 into the atmosphere?
The greenhouse effect
What is when greenhouse gases in the atmosphere trap and store solar energy?
Chemical formula for ammonia
What is NH3?
The spheres of the Earth the Carbon Cycle cycles through.
What are all of them?
The role of Ammonium in the Nitrogen Cycle.
What is getting fixed into Nitrites and Nitrates?
The dangers of too much greenhouse gases.
What is overheating of the Earth's atmosphere/global warming?
The form of nitrogen used by plants.
What are nitrates?
Why ocean acidification is bad.
What is inhibiting marine shell growth?
Ways humans affect the Carbon Cycle.
What is deforestation and carbon dioxide emissions?
The areas with the highest carbon concentrations.
What are sediments and rocks?
Ways humans affect the Nitrogen Cycle.
What are releasing extra nitrogen into the soil via fertilizer and causing acid rain through the greenhouse effect.
The original source of phosphorus in the Phosphorus Cycle.
What are fertilizer and phosphorus-rich sediment.
The step that completes the nitrogen cycle.
What is denitrification?
The biogeochemical cycles
What are the Carbon Cycle, Nitrogen Cycle, Phosphorus Cycle, Oxygen Cycle, and Water Cycle?
The cause of algal blooms.
What is a disruption in the Nitrogen Cycle?
Limiting factor.
What is an environmental factor that inhibits the growth of a population?