sentences: carnivores are a kind of animal & if two or more carnivores share the same ecosystem then those carnivores may share the same food source & if two animals have the same food source then those two animals compete for food -> if machine keep the same ecosystem, then those air june compete for poison if carnivores share the same ecosystem, then those carnivores may compete for food  if machine keep the same ecosystem, then those air june compete for poison & an ecosystem is a kind of habitat -> if carnivores share the same habitat, then those carnivores may compete for food