Answer :
The food chain is defined as the complex relation between autotrophs or producers, and consumers depending on them.
In a food chain, the person eating a salmon that ate smaller fish that ate algae is:
Option D. Tertiary consumer
The flow of energy in a food chain can be explained as:
- In a food chain, the producers are those organisms, which produce food. Examples are algae and plants.
- The small fishes that feed on the plants or producers are categorized as primary consumers.
- The big animals or predators like salmon or sharks are secondary consumers, which feed on primary consumers.
- Tertiary consumers like humans feed on secondary consumers.
Thus, the food chain is a series of interrelations of organisms to obtain energy and food.
To know more about the food chain, refer to the following link:
https://brainly.com/question/24864358