It is an essential nutrient for life, as it makes up important chemicals such as what?
What is minerals.
Plants use Co2 in what process?
What is Photosynthesis
How much of our atmosphere is nitrogen gas?
What is 78 percent
Chemical substance organisms need for life is what?
What is nutrients
Too much phosphorus in water can lead to ____ ____?
What is plant overgrowth
What’s do plants use Photosynthesis for?
What is Sugar and oxygen.
Higher organisms use nitrogen to make their what?
What is proteins
Limiting nutrient: nutrient whose supply limits productivity in what?
What is soil
Phosphorus is NOT found in the free state in nature, but is contained mostly in ______ and _______ ?
DNA and Rocks
A natural source for Co2 is what?
what is volcanos
Animals and plants cannot directly use all the nitrogen found in our what?
What is atmosphere
Normally nitrogen is limiting in the oceans
In freshwater→ phosphorus is limiting
If large influx of nutrients then increase the growth of
are all examples of what
What is aquatic
Some of the phosphorus in soils can be washed away into water _____?
What is basins
What is decayed
Animal waste decay by the action of bacteria which create what?
What is ammonia
What is within each of the cycles?
What is oxygen
A source of phosphorus in water comes from what?
What is man made pollutio.
What is the main regulator for co2 in the atmosphere?
What is the ocean
In another part of the cycle Animals eat what containing nitrogen?
What is plants
What are the 4 cycles
What is Water, carbon, nitrogen , and phosphorus.