Biogeochemical Cycles

Question 1

Reservoir of Nitrogen Cycle

Answer 1

Atmospheric Nitrogen (N2)

Question 2

1st Exchange Pool of Nitrogen Cycle

Answer 2

Soil (NH4+/NH3)

Question 3

2nd Exchange Pool of Nitrogen Cycle

Answer 3

NO2- –> NO3-

Question 4

Biological Community in Nitrogen Cycle

Answer 4

Amino Acids, DNA, RNA

Question 5

Reservoir of Carbon Cycle

Answer 5

Limestone/Fossil Fuels/dissolved CO2 non-productive zones in oceans

Question 6

Exchange Pool of Carbon Cycle

Answer 6

Atmosphere (CO2)

Question 7

Biological Community of Carbon Cycle

Answer 7

Plants/Algae/Autotrophs; Fixed carbon in organisms

Question 8

Transition Process from Reservoir to Exchange Pool of Carbon Cycle

Answer 8

Weathering, Burning of Fossil Fuels

Question 9

Transition Process from Exchange Pool to Biological Community of Carbon Cycle

Answer 9

Photosynthesis, chemosynthesis

Question 10

Transition Process from Biological Community to Exchange Pool of Carbon Cycle

Answer 10

Respiration, decomposition, burning

Question 11

Transition Process from Biological Community to Reservoir of Carbon Cycle

Answer 11

Sedimentation

Question 12

Transition Process from Reservoir to 1st Exchange Pool in Nitrogen Cycle

Answer 12

Nitrogen fixation

Question 13

Transition Process from 1st to 2nd Exchange Pool in Nitrogen Cycle

Answer 13

Nitrification

Question 14

Transition Process from 1st Exchange Pool to Biological Community in Nitrogen Cycle

Answer 14

Assimilation

Question 15

Transition Process from Biological Community to 1st Exchange Pool in Nitrogen Cycle

Answer 15

Ammonification

Question 16

Transition Process from 2nd Exchange Pool to Biological Community in Nitrogen Cycle

Answer 16

Assimilation

Question 17

Transition Process from 2nd Exchange Pool to Reservoir in Nitrogen Cycle

Answer 17

Denitrification

Question 18

Transition Process from Exchange Pool to Reservoir in Carbon Cycle

Answer 18

Dissolution