Ecosystems and Material Cycles

Question 1

What are the different levels of the ecosystem?

Answer 1

Individual-a single organism
Population-all the organisms of one species in a habitat
Community-all the organisms of different species living in a habitat
Ecosystem- a community of organisms along with all the non-living(abiotic) conditions

Question 2

What can we use to study the distribution of small organisms?

Answer 2

Quadrat