A food web is the connection from organism to organism in a habitat or biome
http://www.promotega.org/uga07003/food%20chain.html
Autotrophs, otherwise known as producers, form the lowest trophic level in both foodchains and foodwebs. Examples of producers are plants or plankton.
J. M. O'Connor has written: 'Polychlorinated biphenyl transport in coastal marine foodwebs' -- subject(s): Effect of water pollution on, Environmental aspects, Environmental aspects of Polychlorinated biphenyls, Fishes, Polychlorinated biphenyls
Food webs can be categorized into several types based on their structure and complexity. The two primary types are grazing food webs, which start with primary producers like plants and involve herbivores and predators, and detrital food webs, which focus on the decomposition of organic matter by detritivores and microorganisms. Additionally, food webs can be classified as linear, where energy flows in a single pathway, or complex, where multiple interconnections exist among various species. Each type highlights different ecological interactions and energy transfer dynamics within an ecosystem.
Food webs demonstrate how different living things in an ecosystem get the energy to survive by demonstrating the accurate way of showing how energy is transferred in feeding interactions in an ecosystem.
Biodiversity is important in the following ways:Help to regulate climate, rainfall and windPurify air and waterHelp in cycling of nutrientsHelp to preserve fertile soilForm food chains and foodwebs; thereby maintaining a balance in the availability of food to all life forms