Q8 of 67 Page 103

Poaching of tiger is a burning issue in today's world. What implication would this activity have on the functioning of the ecosystem of which the tigers are an integral part?

Poaching of tigers would lead to the extinction of the organism. This would remove the predator species from the ecosystem and it will lead to an increase in the number of the tiger’s natural prey. The increase in the number of prey of tigers would cause an imbalance of the natural population of the preys. Therefore, the poaching of tigers would lead to an imbalance in the natural ecosystem.


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Flow of energy through various trophic levels in an ecosystem is unidirectional and non-cyclic. Explain.

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Apart from plants and animals, microbes form a permanent biotic component in an ecosystem. While plants have been referred to as autotrophs and animals as heterotrophs, what are microbes referred to as? How do the microbes fulfil their energy requirements?

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In relation to energy transfer in ecosystem, explain the statement "10kg of deer's meat is equivalent to 1 kg of lion's flesh".

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Primary productivity varies from ecosystem to ecosystem. Explain?