English, asked by Anonymous, 5 months ago

what' I's food web? ​

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Answered by Anonymous
4

Answer:

A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Another name for food web is consumer-resource system.

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Answered by CreAzieStsoUl
4

\huge\underline\red{Explanation:-}

All processes in this world, whether living or non-living, need energy. Living organisms are capable of producing energy or getting it through predation. They need this energy to maintain cells and tissues. It is also required for supporting voluntary and involuntary actions of the human body and other multiple processes within the body like reproduction, cell division, metabolism, digestion, circulation, excretion, and much more.

The ultimate source of energy on Earth is the Sun. No energy can be produced without the sun. All living beings, especially plants capture solar energy and utilise it for their food production. This process is called photosynthesis.

What is Food Web?

There are unique interactions and relationships which are involved in the transportation of energy. The energy, once produced and captured, is distributed throughout the various living organisms. This transfer of energy is termed as the food web.

What is the Food Chain?

A food chain is a network of links in a food web. Here, the producers are consumed by the predators-primary and secondary consumers and then the detritivores and finally by decomposers. When many such individual food chains occur in an ecosystem, it is known as Food Web.

A food chain shows a direct transfer of energy between organisms. As every organism can feed on multiple things, a food web is a much more realistic and simplified method of transferring energy in an ecosystem.

Both food chains and food webs are similar to each other, but they are not the same. We will explore the differences here.

A food chain presents a unique, connected path of energy flow in an ecosystem, whereas the food web explains how food chains overlap. Both food chains and food webs, shares three types of organisms in a food chain: producers, consumers and decomposers.

Producers:-

Organisms that can synthesize their own food and usually serve as the foundation for all food chains. For example – plants, algae and few species of bacteria. They prepare their own food by converting sunlight into chemical energy and this process is called photosynthesis. They use energy from the sunlight for converting carbon dioxide into simple glucose which is easily broken down to produce energy. This energy is then stored in the form of sugars for later use.

The simple diagram of the Ecological Pyramid Food Web and Food Chain is shown below.

Primary Consumers:-

They are also called herbivores animals who eat producers or plants. Sometimes, these primary consumers become prey for other animals that sit higher on the food chain. Some of the primary consumers or herbivores living on the land are chipmunks, mice, horses, birds, deer and some insects. Fish, zooplankton, snails, sea urchins are a few marine primary consumers.

10 Percent Energy Rule:-

Even though primary consumers feed on producers, they are still getting their energy from the sun. The primary consumers feed on plants and break down the food particles to release the energy.

Primary consumers do not get 100% of the sun’s energy from the producers or the plants on which they feed. This is because only some amount of the sun’s energy is utilised by the plant to synthesise their food.

In fact, they only get 10% of the energy. This is termed as the 10% Rule, which states that only 10 per cent of the energy available gets passed onto the next level of consumers.

Secondary Consumers:-

These are animals who feed on primary consumers. They usually eat meat and are termed as predators. Lion, hawks, snakes, coyotes, wolves, and spiders are a few terrestrial secondary consumers.

Tertiary Consumers:-

They are the ones who feed on secondary consumers. They are thus called the top predators. They are also termed as apex predators and have no natural enemies. Naturally, you would assume that humans are at the top of the food chain, but they are not.

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