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?
Food chain
Food web
Producer
What is a complex network of interconnected food chains in an ecosystem called?
Food chain
Food web
Trophic level
At which trophic level do primary producers belong?
First trophic level
Second trophic level
Third trophic level
Which organisms obtain their energy by consuming other organisms?
Producers
Consumers
Decomposers
Which organisms play a vital role in breaking down dead organic matter and recycling nutrients in the ecosystem?
Producers
Consumers
Decomposers
How many trophic levels are usually present in a food chain or food web?
Three
Four
Six
Discuss the term ‘Biomass’
Biomass represents the total mass of living organisms within an ecosystem and serves as a measure of its productivity and energy storage. It encompasses all the organic matter present, including plants, animals, and microorganisms. Biomass is an essential component of the Earth's ecosystems, as it drives energy flow and nutrient cycling