Nutrient Cycles
Process in which elements, chemical compound, and other forms of matter are passed from organism to organism and parts of the biosphere.
What is a biochemical cycle?
Makes up 78% of our atmosphere.
What is nitrogen gas?
Products of photosynthesis.
What are sugar and oxygen?
Makes up important chemicals for life such as DNA.
What is phosphorus?
Caused by large influx of nutrient.
What is increased growth?
Plants and animals can’t use the nitrogen found here.
What is the atmosphere?
Coal, oil, and natural gas.
What are fossil fuels?
Where most phosphorus is contained.
What are rocks and minerals?
Chemical that an organism needs to live.
What is a Nutrien?
Returns nitrogen to the soil.
What is waste/decaying plants and animals?
Cause of more carbon dioxide today than in the past.
What is burning fossil fuels?
Product of too much phosphorus in water.
What is overgrowth?
It is in every cycle.
What is oxygen?
Makes nitrogen usable for plants and animals.
What is nitrogen fixation/nitrogen fixing bacteria?
Natural source of carbon dioxide.
What are volcanoes?
An alternate source of phosphorus.
What is man-made pollution?
Mining and burning fossil fuels, using fertilizers, and clearing land.
What is human activit?
Products of animal waste decay which are full of nitrogen.
What are ammonia and nitrates?
The main regulator for carbon dioxide in the atmosphere.
What is the ocean?
This is how phosphorus is returned to the soil after an animal eats a plant.
What are waste products?