Food Chain Definition Biology
The organisms that feed on dead organic matter or detritus are known as detritivores or decomposers.
Food chain definition biology. A food chain is the linear not branched sequence in which a living organism serves as food for another starting with the producers and going up to the decomposers. A series of living things that are connected because each group of things eats the group below. In a community which has producers consumers and decomposers the energy flows in a specific pathway.
In scientific terms a food chain is a chronological pathway or an order that shows the flow of energy from one organism to the other. What is a food chain. The dead organic substances are decomposed by microorganisms.
Detritus food chain is the type of food chain that starts with dead organic materials. Energy is not created or destroyed. It shows the flow of energy and materials from one organism to the next beginning with a producer.
Its name comes from the Greek trophies to feed to nourish. These detritivores are later eaten by. A food web is all of the food chains in an ecosystem.
Each organism in an ecosystem occupies a specific trophic level or position in the food chain or web. What are food chains. That is they can form one of the links in a food chain.
See more Encyclopedia articles on. Producers who make their own food using photosynthesis or chemosynthesis make up the bottom of the trophic pyramid. A sequence usually shown as a diagram of feeding relationships between organisms showing who eats what and the movement of energy through trophic levels.