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
Correct Answer: A
Solution :
The given figure shows spindle shaped pyramid of number in single tree ecosystem. Here a single large sized tree providers food to a large number of herbivores which support a few carnivores and the later are eaten by small number of top carnivores. So, here PP is used for producer, i.e., single tree, PC is Primary Consumers, i.e., large number of insects, SC is secondary consumers, i.e., small insectivorous birds and TC is Top consumers which may be eagles or falcon, etc.
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