What is the ion symbol for sulfur?

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present

This is the process of making a prediction based on the results of prior observations of similar events.

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?