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.
Tedious Way â Lots Individual Conditional Formatting Rules. For complex conditional formatting rules, users often get around that problem by creating lots of individual rules applied to single cells. In our example, we select cell C2 and click on âConditional Formatting -> Highlight Cell Rules -> Less Thanâ on the home tab. When the Less Than dialog pops up, we select the cell B2 against which we want to compare. Notice that the value is the dialog gets replaced by an absolute reference to cell B2 ($B$2).