This video explains inter-relationships between organism and their environment
Source: Photos from Kenneth R Miller, Ph.D. - Joseph Levine, Ph.D. - New Jersey - Pearson Prentice Hall, Upper Saddle River - 2004
You will use descriptions of organisms found in a freshwater marsh ecosystem and connect them according to their feeding relationships and the transfer of energy. Each of the biota cards represents a population. You will use this food web to explore the relationships among the organisms/populations in an ecosystem