In a food chain the position occupied by an organism is called

The position occupied by an organism in a food chain is called its "trophic level". This means the organism's place in the food chain based on what it eats and what eats it. For example, plants are at the first trophic level because they make their own food through photosynthesis. Herbivores (plant-eaters) are at the second trophic level because they eat plants, and carnivores (meat-eaters) are at higher trophic levels because they eat other animals. Each trophic level represents a transfer of energy and nutrients from one organism to another, and the trophic level of an organism determines its role in the ecosystem.