Question

Composite fish culture is a polyculture system in which multiple fish species are stocked together in the same pond to maximize productivity. On what principle is this system based?

A Stocking species that compete for exactly the same food and space+
B Stocking species that occupy different feeding zones and use different food resources
C Stocking only marine species in freshwater ponds
D Stocking species that feed exclusively on insects
E Stocking species requiring only marine water
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