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12.Ecosystem
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Given below is an imaginary pyramid of numbers. What could be one of the possibilities about certain organisms at some of the different levels ?
A
Level $PC$ is “insects” and level $SC$ is “small insectivorous birds”.
B
Level $PP$ is “phytoplanktons” in sea and “whale” on top level $TC$
C
Level one $PP$ is “pipal trees” and the level $SC$ is “sheep”.
D
Level $PC$ is “rats” and level $SC$ is “cats”.
(AIPMT-2012)
Solution
(a)
Standard 12
Biology
