Functioning Ecosystem - SS1 Biology Past Questions and Answers - page 1

Which term describes a series of organisms in which each one is a source of food for the next?

What is a complex network of interconnected food chains in an ecosystem called?

At which trophic level do primary producers belong?

Which organisms obtain their energy by consuming other organisms?

Which organisms play a vital role in breaking down dead organic matter and recycling nutrients in the ecosystem?

How many trophic levels are usually present in a food chain or food web?

     Discuss the term ‘Biomass’