Many processes occur in the digestive system which process is the best classified as a chemical change Select one

Absorption of water

Teeth grinding candy

Peristalsis in the esophagus

Enzymes in the saliva

Give the biological term for: structures that display characteristics of living organisms only within living cells

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

Number and variety of living organism; includes genetic, species, and ecological types