Which of the following is a chemical change that occurs to the food? A reduction in size of food particles as food is chewed.

The movement of food to the stomach as food is swallowed.

The breakdown of molecules by food enzymes and acid in the stomach.

None of the above

The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales