A flood is an overflow of water that submerges land which is usually dry. The European Union (EU) Floods Directive defines a flood as a covering by water of land not normally covered by water.
A food chain is a linear series of links starting with one specific species that eats no other species in the web, and endling with a specific species that eaten by no other species in the web.That's different from a food web. For more information, please access the related link listed below.f there are six in the food chain it will go like this: 1  The sun gives energy to the green plant (this is called the producer) ie: grass, 2  the grass is then eaten by the rabbit (which is known as a primary consumer) and then. 3  the rabbit (called the secondary consumer) is then eaten by the fox (called the carnivore).
A food chain is a specific path through a food web made up of multiple individual food chains. It shows direction of trophic relationships among the chosen species, but is not entirely useful without the context of the rest of the food web. just now. Report Abuse. the food chain is the route for the transfer of matter and energy through an ecosystem. In this arrows always point to those organisms recieving the energy. the food pyramid shows the relationship between food energy available at the trophic levels from bottom to top.