Chapter 22: Nutrient Supply and Cycling

Question 1

Steps before plants can take up nutrients from environment

Answer 1

Mechanical weathering, chemical weathering, soil formation

Question 2

T/F Lower pH increases availability of N and P to plants

Answer 2

False. Backwards you stupid

Question 3

Atmospheric nutrients

Answer 3

Carbon and nitrogen

Question 4

Converting nitrogen to biologically useful form

Answer 4

Nitrogen fixation

Question 5

Nutrient transformation where detritivores break down detritus to obtain energy and nutrients

Answer 5

Decomposition

Question 6

Steps to creation of soluble nutrients

Answer 6

Fragmentation, mineralization, soluble nutrients

Question 7

Warmer the environment the ______ the rate of decompostion

Answer 7

Higher

Question 8

Carbon compound that makes leaves difficult to decompose

Answer 8

Lignin

Question 9

Atmosphere > plants > heterotrophs > Detritius > Soluble N (with gaseous and leaching losses)

Answer 9

Nitrogen cycle

Question 10

Zones of upwelling _______ nutrient supply for marine ecosystems

Answer 10

Enhance

Question 11

Lake nutrient classifications: Nutrient poor, nutrient rich. intermediate nutrient level

Answer 11

Ogliotrophic, eutrophic, mesootrophic

Question 12

The process of shiftng from ogliotrophic to eutrophic

Answer 12

Eutrophication