Answer:1)Phytoplankton is eaten by small zooplankton, which are in turn eaten by other zooplankton. Those plankton are eaten by small fish and crustaceans, which in turn are eaten by larger predators, and so on.

  2)“Great blue herons eat nearly anything within striking distance,    including fish, amphibians, reptiles, small mammals, insects and other birds,” the wildlife agency said.8 Dec 2020

  3)When they're in the ocean, young and adult salmon eat a wide variety of prey, including: Fish such as capelin, Atlantic herring, sand lance, barracudina and lanternfish. Crustaceans such as amphipods and euphausiids or "krill."

 4)Predators of the Open Water

 5) Is a dish consisting of cooked edible land snails. They are often served as an hors d'oeuvre and consumed by the French people, as well as people in Germany, Great Britain, Italy, Portugal, Sardinia, and Spain.