The thin layer of epithelial tissue in the small intestines works somewhat like a cell membrane. how does its structure relate to its function in digestive system? ANSWER ASAP!! PLZ

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