Food Chain Definition For Class 3
The definition of food web is a model of food chains that intersect and show what eats what.
Food chain definition for class 3. Although a food chain usually shows a line of animals that eat each other it is really a never-ending cycle that. Most food chains start with green plants making food energy from the sun. In a community which has producers consumers and decomposers the energy flows in a specific pathway.
Food chain in ecology the sequence of transfers of matter and energy in the form of food from organism to organism. Food ChainFood chain tells us how energy is transferred from one organism to anotherIt is a linear sequence of organisms ie. A food chain is the transfer of food energy from plants to an animal and then to another animal.
It begins with producer organism follows the chain and ends with decomposer organism. All the connected or linked food chains within an ecological community. The term food chain describes the order in which organisms or living things depend on each other for food.
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. A food chain describes how organisms get energy from eating other organisms. Food chains are the basic unit of any ecosystem connecting with one another to form the food webs that map the interactions of life on Earth.
In other words it is the chronological order of who eats whom in a biological community. Every ecosystem or community of living things has one or more food chains. Then an animal eats the plant and another animal eats that animal.
Food chains intertwine locally into a food web because most organisms consume more than one type of animal or plant. Any animal that is on top of the food chain is called an Apex. The food chain describes who eats whom in the wild.