If a person has memory b cells against a certain pathogen, the person a. likely to develop that disease. . b. much less likely to develop the disease a second time. . c. able to spread the disease to others through physical contact. . d. probably still sick with the disease .

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