Which of the following does not contribute to the biomass in an ecosystem?

Explanation

In this question, we are being asked to identify which of the following options does not contribute to the biomass in an ecosystem. Biomass is the total mass of living organisms in a particular area or ecosystem. The options we are given are: producer's, food chain, consumer's, and micro-organisms. Out of these options, we need to choose the one that does not contribute to the biomass in an ecosystem. Option A, which is producer's, contributes to the biomass in an ecosystem. Producers are organisms that can produce their own food using sunlight, water, and carbon dioxide. They form the base of the food chain and support the entire ecosystem. Therefore, option A is not the correct answer. Option C, which is consumer's, also contributes to the biomass in an ecosystem. Consumers are organisms that consume other organisms for food. They can be herbivores, carnivores, or omnivores. Their biomass contributes to the total biomass of the ecosystem. Therefore, option C is not the correct answer. Option D, which is micro-organisms, also contribute to the biomass in an ecosystem. Micro-organisms are tiny organisms that are not visible to the naked eye. They play important roles in nutrient cycling and decomposition. Their biomass contributes to the total biomass of the ecosystem. Therefore, option D is not the correct answer. Option B, which is food chain, is the correct answer. Food chain is a series of organisms in which each organism is eaten by the next organism in the chain. Food chains do not contribute to the biomass in an ecosystem because they do not represent the total mass of living organisms in the ecosystem. Rather, they represent the flow of energy and nutrients through the ecosystem. In conclusion, option B, which is food chain, does not contribute to the biomass in an ecosystem.