Salt or fresh water ecosystem Summary Students will select either Salt water or Fresh water ecosystems as their focus for a web page. The summary must be 5 paragraphs long and include at least 5 references from the text book or from the internet. The Summary shall include the following topics: -Introduction paragraph into the location and conditions that are indicative of the ecosystem -One paragraph that outlines the vertebrate organisms present -One paragraph that outlines the invertebrate organisms present -One paragraph that discusses the nonliving conditions and chemicals present -Conclusion paragraph that summarized how the selected ecosystem is different than the other ecosystem.