Question

Define food chain and food web . give an example . ​

Answer 1

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A food chain only follows just one path as animals find food. eg: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. A food web shows the many different paths plants and animals are connected. eg: A hawk might also eat a mouse, a squirrel, a frog or some other animal

Answer 2

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• Define food chain and food web . give an example ??

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$\bf\underline\orange{FOOD\:CHAIN:}$

Food chain : A food chain describes the feeding relationships of different organisms in a linear fashion. This is the simplest way of showing feeding relationships.

A food chain is a sequence of organisms that are each dependent on the previous organism for food.

The chain from a food source to the ultimate consumer.

It shows the interdependence of organisms on each other. All food chains begin with producers.

$\bf\underline\purple{Example:}$

$\sf {\: Grass - > Goat - > Tiger}$

Animals that hunt and kill other animals for food are called predators. from the upper example we get to know that the tiger is the predator of the goat and goat is the tiger's prey.

Now, Let's Jump into food webs:

$\large \bold{FOOD \: WEB }$

Food web : A food web shows multiple food chains, multiple relationships and connections. This a more complicated but more realistic way of showing feeding relationships, as most organisms consume more than one species and are consumed by more than one species.

A food web consists of several interlinked food chains in a habitat.

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In a habitat containing a large number of organisms, an animal becomes a part of more than one food chain.

For example, let's consider the food chains:

$\sf{grass\: →\: rat \:→ \:eagle}$

$\sf{grass \:→\:rat \:→\:snake \:→\: eagle}$

From the upper example we can see that the rat is a part of both food chains and a snake can also be eaten by an eagle.

The two food chains can be combined.

Grass→ rat → snake

eagle

There are organisms other than the rat that eat plants. There are also other animals that eat the rat. Thus, a number of food chains link up in a habitat to form a complicated food web.

These linkages between all animals and all plants are often referred to as the web of life.

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