Indicate the flow of energy in an ecosystem. Why is it unidirectional ? Justify.
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The flow of energy in the ecosystem is unidirectional. The energy enters the plants (from the sun) through photosynthesis during the making of food. This energy is then passed on from one organism to another in a food chain. The energy given out by the organisms as heat is lost to the environment, it does not return to be used by the plants again. This makes the flow of energy in the ecosystem ‘unidirectional’.
Hope that helps.
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Thankyou. So much for answering the question 
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Ya ! I do watch them !
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Ya ! Toooooo much !!!
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No ! I never get scared ! It’s my hobby and I don’t anything anyone gets scared of his/her hobby !
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I’m from Punjab , India
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What about you ? I hope Indian only ?
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Oh ! That’s nice !!!
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By the way , I presently live in Chandigarh ! You must be knowing southern language , right ?
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That’s much more interesting !
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Even I watch Annabelle a lot 
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Oh ! That’s cool !!! 
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Ya I’ve watched that several times ! And it’s or of my most favorite ones !
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One* of my favourite !
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Yss ! But not often ! I like Creations more !
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May I know which class are you in ?
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Oh ! That’s great ! Best of luck for your Board class 
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Thanks In witch class do you
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I’m presently in class 10 but will be in +1 after June !
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