Respuesta :
Answer:
algae
Explanation:
fish and herons arent herbivores
Herbivores are typically tagged as animals that feeds directly on the plants in a food chain.
In the given food chain, Fish is the herbivore
- As stated, Fish in the food chain is the herbivore as it feeds directly on the plants. The algae in this case is the producer.
- While the herons are the carnivore that feeds directly on the flesh of the fish but indirectly on the algae.
Learn more about food chains: https://brainly.com/question/16504883
