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(a) How is energy introduced into the e...

(a) How is energy introduced into the ecosystem ?
(b) Consider the following food chains :
(i) Plants `to` Mice `to` Snakes `to` Hawks
(ii) Plants `to` Mice `to` Hawks
If energy available at the producer level in both the food chains is 100 J, in which case will hawks get more energy as food and by how much ? Justify your answer.

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The correct Answer is:
(b) Second case ; 0.9 J
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LAKHMIR SINGH & MANJIT KAUR-OUR ENVIRONMENT-Exercise
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