Here, we can see different types of starfish, coral reefs and fishes in the Great Barrier Reef. Marine ecosystems are among the largest of Earth's aquatic ecosystems. They include oceans, salt marshes, intertidal zones, estuaries, lagoons, mangroves, coral reefs, the deep sea, and the sea floor.They can be contrasted with freshwater ecosystems, which have a lower salt content. Marine waters cover two-thirds of the surface of the Earth.Such places are considered ecosystems because the plant life supports the animal life and vice versa.arine waters cover two-thirds of the surface of the Earth. Such places are considered ecosystems because the plant life supports the animal life and vice versa.
Then go to the Format menu, and you will find Conditional Formatting on it. You can then start setting the conditions you want and the formatting that you want for those conditions. Conditional formatting allows you to change the formatting of a cell based on the values that are in it.
So, you set up a conditional formatting rule based on a formula in this way: 1  Select the cells you want to format. You can select one column, several columns or the entire table if you want to apply your conditional format to rows. 2  Click Conditional formatting > New Ruleâ¦.