- Define Parasitism with example.
- Give the name of three ecological factors.
- Give two differences between population and community.
- Give a graphic diagram of the carbon cycle.
- Which bacteria in legume roots are used for nitrogen fixation?
- Role of predator in the balance of an ecosystem.
- Write short note on Trophic level.
- Name any two gases which cause green house effect.
- Give any two examples of secondary consumers of a pond.
- What are ecotypes?
- Define food web.
- What are decomposers?
- What is natural resource?
- What is food chain?
- Define ecological Pyramid.
- Why green algae is called producer?
- Define a grazing food chain.
- Mention the abiotic components of ecosystem.
- Define abiotic factor.
- What is acid rain?
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