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12.Ecosystem
medium
Which of the following is a primary consumerin maize field ecosystem ?
A
Grasshopper
B
Wolf
C
Phytoplankton
D
Lion
(NEET-2013)
Solution
(a) : Primary consumers are herbivorous organisms that feed on producers. Carnivores are termed secondary, tertiary etc., consumers depending upon their position in food chain. In food chain on land, grasshopper is a herbivore (primary consumer) while wolf and lion are carnivores. Phytoplanktons are producers in aquatic food chains.
Standard 12
Biology