NEET BIOLOGY

Detailed explanation-1: -A food web is a feeding relationship among the various organisms in an ecosystem that forms a network of complex interactions.

Detailed explanation-2: -A model of the complex feeding interactions among organisms in a community from producers to decomposers is called: food web.

Detailed explanation-3: -“An ecosystem is a complex set of relationships among the living resources, habitats and residents of an area. It includes plants, trees, animals, fish, birds, micro-organisms, water, soil and people….

Detailed explanation-4: -Within the discipline of ecology, researchers work at four general levels, which sometimes overlap. These levels are organism, population, community, and ecosystem (Figure 1).

Detailed explanation-5: -All organisms in an ecosystem depend on each other. Food chains show the flow of energy from one organism to another. Food chains show the feeding relationships between organisms. Food webs show how all the food chains in an ecosystem interact.