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Dr. Schindler and his team of researchers at the Experimental Lakes Area noticed a significant growth in algae when they added fertilizer heavy in _____ to the water.

Select one:
a. phosphorus
b. calcium
c. nitrogen
d. carbon

Answer :

meznagawas
A. Phosphorus


Over 44 years, Dr. Schindler and his team tested the effects of phosphorous, nitrogen, and carbon on algae growth. Their research showed that phosphorus, and not carbon or nitrogen, increases algae growth in aquatic ecosystems.
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It is possible to notice a significant growth in algae when fertilizer heavy in PHOSPHORUS is added to the water (Option a).

  • The phosphorus cycle refers to the movement of phosphorus in the lithosphere, hydrosphere, and biosphere.

  • Autotrophic organisms, which are able to synthesize their own food (e.g., algae), assimilate easily inorganic phosphorus to produce different organic phosphorus-rich compounds (e.g., coenzymes, DNA, ATP, etc).

  • In aquatic ecosystems, an excessive amount of phosphorus may lead to the increased growth of algae, which in turn may lead to a decreased level of oxygen by a process known as eutrophication.

In conclusion, it is possible to notice a significant growth in algae when a PHOSPHORUS is added to the water (Option a).

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