Ecosystem
![Picture](/uploads/4/2/9/5/42956521/1941940.gif?355)
According to the diagram, there are two types of organism (Dinoflagellates and widgeon grass) that starts the entire Food web. There are some different energy sources that provide them with energy (the sun, wind, water, etc.) The next trophic level is comprised of Copepods and Clams. The third is made up of Croaker, Menhaden, and Blue Crabs. Apex Predator: The Striped Bass.
These are only one example of an estuary food chain, there are many more.