Apart from plants and animals, microbes | Class 12 Biology Chapter Ecosystem, Ecosystem NCERT Solutions

Question:

Apart from plants and animals, microbes form a permanent biotic component in an ecosystem. While plants have been referred to as autotrophs and animals as heterotrophs, what are microbes referred to as? How do the microbes fulfil their energy requirements?

Answer:

On the basis of the mode of obtaining food, the organisms occurs in the ecosystem are classified into three main categories: Plants, animals and microorganisms. Plants are the producers, animals are the consumers and microorganisms are the reducers or decomposers which are also known as saprotrophs (sapros- rotton, trophe- nourishment). The microorganisms are mainly bacteria and fungi which obtain their food from the dead organic matter (dead plants and animals and their waste products). They obtain their food from the decomposition process (by which organic compounds are broken down into simple compounds).


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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 7: Apart from plants and animals, microbes form a permanent biotic component in an ecosystem. While pla....