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Standard VIII
Biology
Conservation of Forest and Wildlife
Mention the e...
Question
Mention the ecologically amplified element that led to the decline of population of predator bird.
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Solution
Biomagnification caused by DDT is what caused the decline of the population of predatory birds.
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The above figure represents the effect of efforts to reintroduce Chrysocyon Brachyurus, a wolf-like predator, to Uruguar. It tracks the population of both Chrysocyon Brachyurus and Sylvilagus brasiliensis, the rabbit species that is primary food-source.
Find the time-periods during which the Sylvilagus brasiliensis population undergo the greatest percent decline.
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In the following table, the ecological units are mentioned on the first column vertically and their attributes are mentioned horizontally. Match the ecological units and their attributes and put a tick in the blanks within the table.
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Biomagnification of DDT causes decline in bird population by
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