Related Posts Food. The length of food chain depends on the number of organisms involved in it.
Food is the basic source of energy for all organisms in the ecosystem. There are so many consumers eating others at different tropical level. By another side, the rabbit is also eaten by a fox and many other consumers.
In this way, energy is given back to the environment and its may be reused by the producers as nutrient or minerals.
The flow of food is from one organism to another. In this way these all food chains interconnected with each other makes a big food web.
These all food chains are interconnected with each other, and they collectively make up a big food web. The food chain is a straight chain or model that shows the simple flow of food from one organism to another. Food Web 6 Video Explanation. So, a series or chain of organisms in which each of them depends on one and other as a source of food or energy is called a food chain, whereas food web is a system of many food chains that are dependent on each other for the source of food.
The A food web is also called food cycle. Food, Health. An example of the food web is as the grass is not only eaten by grasshopper, it is also eaten by a rabbit or squirrel. An example can be given as a hawk is at the top of a food chain because hawk eats a snake while snake eats grasshopper which has eaten grass producer.
This food web does not end at a single predator; it has many top predators in it. The first organism from which the food chain starts is known as a producer because it produces its food by itself: Food web includes many populations of producers that are further eaten by the number of consumers of different communities.
But a food web is not a straight chain; it has many food chains interconnected with each other. It starts from a very first producer that are mostly plants and it flow from one consumer to another and finally ends at the apex consumer or top predator.
Further snake eats rabbit and grasshopper. The food chain is a straight chain of food flow from one producer to the following consumers.
For example, if we take above food chain as an example, the grass is not only eaten by a grasshopper, the rabbit also eats it.
It is comparatively very large. Now snake eats rabbit, squirrel, and the grasshopper, Hawk also eats rabbit and snake as well. An example of the food chain is as: