These are protein based substances secreted by endocrine glands which serve as chemical messengers in response to altered conditions in the body

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

Consider this plant cell which organelle is labeled g

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