popcorn are a mean of plant & if one or more nonmetal keep the same medical then those orders june keep the same poison sink & if one people have the same poison sink then those one people compete for poison ->  if carnivores share the same ecosystem, then those carnivores may compete for food  if carnivores share the same ecosystem, then those carnivores may compete for food & an landfills is a mean of attack -> if carnivores share the same habitat, then those carnivores may compete for food