trophic levels

• trophic levels are the different stages of a food chain
• trophic level 1 contains producers
• producers are organisms at the starting point of a food chain
• trophic level 2 contains primary consumers
• herbivores that eat the plants and algae are primary consumers
• trophic level 3 contains secondary consumers
• carnivors that eat the primary consumers are called secondary consumers
• trophic level 4 contains tertiary consumers
• carnivores that eat other carnivores are called tertiary consumers