In other types of situations, the choice might be between a rule of national law and a rule of public international law, in which case the choice is made by an international tribunal or some nonjudicial decision-maker, such as an appointed body.ll the lawânational, international, or mixedâthat applies to all persons, businesses, and governments that perform or have influence across state lines.
Algae are producers. This means they produce their own energy, usually through photosynthesis. Like most producers, algae turn sunlight, carbon dioxide and water into glucose for energy.
The producers form an important food source for animals which feed by grazing or filter feeding. Examples include snails, urchins and corals. These consumers in turn will be eaten by other animals such as sea-stars. At the top of the food web there are larger consumers such as fish, penguins and seals.