APES TEST

Question 1

the loss or removal of nitrogen or nitrogen compounds. carried out by bacteria in soil and water.

Answer 1

Denitrification

Question 2

Nitrate is taken up by plants through their roots and is incorporated into proteins, DNA, and other biomolecules.

Answer 2

Assimilation

Question 3

the changing of free nitrogen in the air into a combined form (as ammonia) especially by bacteria in the soil and in roots.

Answer 3

Nitrogen Fixation

Question 4

nature’s way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again.

Answer 4

Carbon Cycle

Question 5

the biogeochemical cycle that describes the transformation and translocation of phosphorus in soil, water, and living and dead organic material.

Answer 5

Phosphorous Cycle

Question 6

a repeating cycle of processes during which nitrogen moves through both living and non-living things: the atmosphere, soil, water, plants, animals and bacteria. In order to move through the different parts of the cycle,

Answer 6

Nitrogen Cycle

Question 7

The ocean is the largest reservoir and over 70% of the Earth’s surface of water and therefore the greatest source for evaporation.

Answer 7

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