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Q.
In a grassland ecosystem, if the number of primary producers (plants) is approximately $6$ million, the number of top carnivores, which may be supported by them will be
Ecosystem
Solution:
In a grassland ecosystem, the pyramid of numbers is upright. If primary producers are approximately $6$ million plants, then number of top carnivores must be less than $6$ million. Hence, according to the options given, there would be $3$ million top carnivores.