Phosphorus cycle does not pass through __________ .

The pyramid of biomass is inverted in________ ecosystem.

Primary productivity in an ecosystem refers to the rate of generation of _________ .

Which of the following characteristics are seen in a stable community?

i. It is strong enough to withstand environmental disturbance and recovers quickly.

ii. It is resistant to invasive species.

iii. It exhibits constant change in biomass production over a period of time.

iv. It has more species diversity.