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In an aquarium, two herbivorous species of fish are living together and feeding on phytoplankton. As per Gauges' principle, one of the species is to be eliminated, but both are surviving together well. Give two reasons

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The situation given contradicts Gause's competitive exclusion principle states that two species competing for the exact same resources cannot stably coexist - one will outcompete the other. If both herbivorous fish species are surviving together in the aquarium, here are two valid reasons

  1. Resource partitioning- They use different types or layers of phytoplankton, reducing direct competition.
  2. Different ecological niches- They have different feeding habits or behaviors, so they don't fully compete.
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Saniya Khatri

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