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The ecosystem exists in a state of 'balance'. Supposing one of the heterotrophs, says the rabbit, multiplies and increases in number suddenly then:

[A].	The balance will be permanently upset because the rabbits will eat the grass in the system and die of starvation	[B].	The 'balance' will be restoredby an increase in the wolf population
[C].	Epidemics will break out in the rabbits and kill all of them	[D].	Rabbits will starts eating each other

Answer: Option B