The Flux Of Energy And Matter Through Ecosystems - Essentials of Ecology

You have been informed that terrestrial plants produce 45-60 petragrams of carbon per year,and that this figure accounts for respiratory heat lost from the environment by autotrophs.What then is this 45-60 petragrams of carbon per year a measure of?

A) Biomass
B) Standing crop
C) Rauto
D) Net primary productivity

Answer

Question 2

(Multiple Choice)

Free

Which of the following terms refers to the mass of organisms per unit area?

A) Gross primary productivity
B) Biomass
C) Standing crop
D) Carrying capacity

Answer

Question 3

(Multiple Choice)

Free

Which of the following choices explains what a standing crop of biomass is?

A) A standing crop is the seed bank, the number of potential living plants within a unit area.
B) A standing crop of living organisms within a unit area.
C) A standing crop is the megafauna of a unit area.
D) A standing crop is the number of plants in an agricultural plot of land that ended up bearing a food resource product.

Answer