What is food chain system?



The food chain is a system used to transmit energy from one organism to the next. When those systems are used in ecology, they are known as the food web. A food chain describes the method by which a particular organism collects its food.

What is food chain answer?

A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain.

What is a food chain simple definition?

A food chain describes how energy and nutrients move through an ecosystem. At the basic level there are plants that produce the energy, then it moves up to higher-level organisms like herbivores. After that when carnivores eat the herbivores, energy is transferred from one to the other.

What is food chain with example?





(a) The sequence of living organisms in a community in which one organism consumes another organism to transfer food energy is called a food chain. An example of a simple food chain is that operating in a grassland: Grass (Producer)⟶Deer (Herbivore)⟶Lion(Carnivore)

Why is it called food chain?

Animals get their energy from the food they eat. Animals depend on other living things for food. Some animals eat plants while others eat other animals. This passing of energy from the sun to plants to animals to other animals is called a food chain.

Why is a food chain important?

Food chains are important because they show the intricate relationships in ecosystems. They can reveal how each organism depends on someone else for survival. Food chains also display what happens when a problem occurs and a producer or consumer is lost. Entire communities can collapse.

What is class 3 food chain?

A food chain is the transfer of food energy from plants to an animal and then to another animal. Most food chains start with green plants making food energy from the sun. Then an animal eats the plant and another animal eats that animal. Green plants in a food chain are called producers.

What is food chain explain with the help of diagram?





A food chain is a diagram that shows us how animals are linked by what they eat; in food webs we represent the links between animals who eat or are eaten by more than one kind of animal. The trophic level of an organism is the place it has in a food chain. A food chain is mostly made up of three trophic levels.

What are the characteristics of food chain?

Characteristics of Food chain:

  • Producers based : All sustainable food chains are producer based.
  • Energy : Producers obtain energy from sun. …
  • Biogenetic Nutrients : Inorganic nutrients must keep on circulating with the help of decomposers. …
  • Straight : …
  • Size : …
  • Populations : …
  • Operation at different trophic levels :


What is another word for food chain?

In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for food-chain, like: food cycle, food-web and trophic-level.

What is main factor of food chain?

Producers, also known as autotrophs, make their own food. They make up the first level of every food chain. Autotrophs are usually plants or one-celled organisms. Nearly all autotrophs use a process called photosynthesis to create “food” (a nutrient called glucose) from sunlight, carbon dioxide, and water.



Who invented food chain?

Charles Elton pioneered the concept of food cycles, food chains, and food size in his classical 1927 book “Animal Ecology”; Elton’s ‘food cycle’ was replaced by ‘food web’ in a subsequent ecological text.

What is the most important in food chain?

Food Chain and Food Web in Eco-system | Environmental …

How do you explain a food chain to a child?

Some animals eat plants and some animals eat other animals. For example, a simple food chain links the trees & shrubs, the giraffes (that eat trees & shrubs), and the lions (that eat the giraffes). Each link in this chain is food for the next link. A food chain always starts with plant life and ends with an animal.

What is a good sentence for food chain?

The food chain affects us all; only a few will be eaten by cannibals. In caves, the basis of the food chain is organic matter from the surface. These measures include the compulsory slaughter of cattle suspected of having BSE and the removal from the food chain of their milk and carcasses.

What is a food chain Class 6?

The food chain is a linear sequence of organisms where nutrients and energy is transferred from one organism to the other. This occurs when one organism consumes another organism. It begins with the producer organism, follows the chain and ends with the decomposer organism.



What is Class 5 food chain?

A series or sequence of links showing how nutrients and energy pass from one organism to another is called food chain. All food chains start from producers i.e. plants. Plants are called producers as they make food with the help of sunlight, water, carbon dioxide and nutrients from the soil.

What are the 4 food webs?

The four levels in this food chain are primary consumers, secondary consumers, tertiary consumers, and finally decomposers or phytoremediators.

What is class 8 food chain?

Ans. A food chain is a straight sequence of organisms where nutrients and energy are transferred from one organism to another. This usually occurs when one organism consumes another organism. It starts with the producer organism, follows the chain and ends with the decomposer organism.