The food chain in which microorganisms breakdown the food formed by primary producers is a
Correct answer: B. Detritus food chain
- A. Parasitic food chain
- B. Detritus food chain
- C. Consumer food chain
- D. Predator food chain.
Explanation
The dead organic matter of plants or animals is called detritus. While a part of it remains on the soil surface as litter, the other part enters the soil. Many animals such as protozoans, nematodes, insects, etc., depend on detritus and hence they are called detritivores. Even human beings are detritivores when they eat cooked food. From detritus, the chain proceeds to detritivores, then to carnivores, and finally to top carnivores.
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Ecosystems include biotic and abiotic components, food chains and webs, energy flow, nutrient cycles, populations and ecological relationships. Pollution and conservation cover air, water, soil and noise pollution, their effects on organisms, biodiversity loss, protected areas, sustainable resource use and methods for reducing environmental damage.
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