Question

Explain the following.i) a)Ecosystem b)Food chain c)Food web(ii)Write the causes of ozone layer depletion​

Answer 1

Answer:

A) Ecosystem: The simplest definition of an ecosystem is that it is a community or group of living organisms that live in and interact with each other in a specific environment.

B) Food chain: Food chain, in ecology, the sequence of transfers of matter and energy in the form of food from organism to organism. Food chains intertwine locally into a food web because most organisms consume more than one type of animal or plant. ... In a predator chain, a plant-eating animal is eaten by a flesh-eating animal.

C) Food web: A food web (or food cycle) is the natural interconnection of food chains and a graphical representation (usually an image) of what-eats-what in an ecological community. Another name for food web is consumer-resource system.

Causes of ozone layer depletion:

The main cause of ozone depletion and the ozone hole is manufactured chemicals, especially manufactured halocarbon refrigerants, solvents, propellants, and foam- blowing agents (chlorofluorocarbons (CFCs), HCFCs, halons).

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Answer 2

Answer:

Ecosystem :- It consists of all biotic and abiotic component.Biotic component means those things which are living and abiotic means those things which are not living.

Food Chain:- It is a chain of living organism who decides who eat whom.

Example:- Plants-----deer-----lion.

Food web :- It is a chain of food web in which all the organisms are interlinked to each other for eating.It is like a web

Causes of ozone depletion:-

* Use of refrigerator, air conditioner etc releases the gases which weaken the ozone layer.

* Pollution etc also responsible for this.

I hope you understand.

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