编辑同志: 在高中《生物》第七章“生物与环境”中讲了消费者的概念。我们从不同的书上看到同一种动物处于不同的消费级别。例如,有的书上提到,“以草食动物为食的肉食动物,如黄鼬、猫头鹰、狐等,叫做次级消费者;以小型肉食动物为食的大型肉食动物,如虎、豹、狼、狮等,叫做三级消费者。”有的书上在论述食物链和食物网时,有这样一段:“捕食食物链又叫活食链, Editor’s Comrade: Speaking of Consumer Concepts in Chapter 7, Biology and Environment, Biology, Biology. We can see from different books that the same animal is at a different level of consumption. For example, some books mention that “herbivore-eating carnivores such as the yellow weevil, the owl, and the fox are called secondary consumers; large carnivorous animals that feed on small carnivores such as tigers, leopards, wolves, Lions, etc., called third-level consumers. ”Some books on the food chain and food web, there is such a period:" Predator food chain, also known as live food chain,