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.
This is useful because conditional formatting is best understood by testing it on data you already have. While you can apply conditional formatting to empty cells, it is easiest to see if the formatting works by using pre-existing data. 2. Click the cell you want to format. Conditional formatting allows you to change font style, underline, and color. Using conditional formatting, you can also apply strike-through as well as borders and shading to the cells. However, you cannot change the font or the font size of the contents in the cell. 3. Click Format > Conditional Formatting to begin the conditional formatting process. In Excel 2007 this can be found under Home > Styles > Conditional Formatting. 4. Click Add >> to use two conditions. For this example, two conditions are used to see how each one plays off the other.