Nutrient Cycling

Question 1

What’s nutrients cycling?

4

Answer 1

• Where nutrients stored
• how nutrients get into plants
• nutrients animals?
• nutrients back reservoirs

Question 2

C- cycle

Answer 2

Reservoirs: main= atmosphere CO2, other = dead organisms

Into plants: photosynthesis

Into animals : eat

Into reservoirs: cellular respiration

Question 3

N- cycle

Answer 3

Reservoirs: main = atmosphere N2
Other = dissolved in ocean N2, soil

Into plants : bac in root nodules, add H or O

Into animals: eat

Into reservoirs: in low oxygen bac release N2

Question 4

Limiting factor

Answer 4

• variables limit growth l, abundance, distribution organisms or pop in area

(Eg iron in ocean )