ESS 2.3 Notes

ESS 2.3 Notes

Multiple Choice

The rate of generation of biomass in an ecosystem

• Ecosystem renewal

• Biomass consumption

• Productivity

• Mass conversion

Multiple Choice

Gross is

• Total

• Left over after deductions

Multiple Choice

Net is

• Total

• Left over after deductions

Open Ended

Explain the difference between primary and secondary productivity

Open Ended

Explain the difference between net productivity and gross productivity

Open Ended

Why do you think the value for gross productivity of the primary producers is the same as the value for total heat and respiration (20,810 kcal/m²/yr)?

Multiple Choice

Calculate the net primary productivity for the following

• 67

• 200

• 100

• 133

• 33

Multiple Choice

Calculate the gross(GSP) secondary productivity

• 200

• 100

• 133

• 33

• 67

Multiple Choice

Calculate the net secondary productivity(NSP)

• 200

• 100

• 133

• 33

• 67