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Question
Refer to the following food web. If frog and sparrow are removed from the given food web, then which of the following statement is incorrect?
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Solution
- According to the given food web, sparrows and frogs feed on grasshoppers and if both of them are removed then the population of grasshoppers will increase.
- Similarly, snakes feed on sparrows and frogs and if both of them are removed then the population of snakes will decrease.
- Owls feed on snakes. But if sparrows and frogs are removed then the population of snake will decline and if snakes are not available then owls will starve. Due to this, the population of owls will decrease.
- If the grasshopper population increases, this implies there will be a larger population of grasshoppers to feed on plants and the population of plants will decrease with time.
- According to the given food web, sparrows and frogs feed on grasshoppers and if both of them are removed then the population of grasshoppers will increase.
- Similarly, snakes feed on sparrows and frogs and if both of them are removed then the population of snakes will decrease.
- Owls feed on snakes. But if sparrows and frogs are removed then the population of snake will decline and if snakes are not available then owls will starve. Due to this, the population of owls will decrease.
- If the grasshopper population increases, this implies there will be a larger population of grasshoppers to feed on plants and the population of plants will decrease with time.
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