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TopicEcosystem

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Food Chain is a hierarchical series of organisms each dependent on the next as a source of food.

Trophic levels are the feeding position in a food chain such as primary producers, herbivore, primary carnivore, etc. Green plants form the first trophic level, the producers.

An ecological pyramid is a graphical representation designed to show the biomass or biomass productivity at each trophic level in a given ecosystem.

The carbon cycle is based on carbon dioxide (CO2), which can be found in air in the gaseous form, and in water in dissolved form.

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Reference list

• Sonia Sanchez, Maestra de Ingles. C.E.I.P.

• Milita Haldar, Lecturer at Shri Ramsuaroop Memorial Group of Professional Colleges.

• Mr. Ruffin, A Teacher at HCS