Textbook: Chapter 23 - Biogeochemical Cycles

Question 1

Ammonification

Answer 1

Breakdown of proteins and amino acids, especially by fungi and bacteria with ammonia as the excretory by-product

Question 2

Biogeochemical cycle

Answer 2

Movement of elements or compounds through living organisms

Question 3

Dryfall

Answer 3

Nutrients brought into an ecosystem by airborne particles and aerosols

Question 4

Denitrification

Answer 4

Reduction of nitrates and nitrites to nitrogen by microorganisms

Question 5

Net ecosystem productivity

Answer 5

Difference between the rates of net primary productivity and carbon lost through consumer and decomposer respiration

Question 6

Nitrification

Answer 6

Breakdown of nitrogen-containing organic compounds into nitrates and nitrites

Question 7

Stoichiometry

Answer 7

Branch of chemistry dealing witht eh quantitative relations of elements in combination

Question 8

Wetfall

Answer 8

Component of acid deposition that reaches Earth by some form of precipitation; wet deposition