Which statement best explains how the life functions of a unicellular organism are carried out?
A. Most of the tissues in the cell work together to perform its life
functions.
B. The structures in the cell work together to perform its life
functions.
C. All of the organism's cells work together to perform its life
functions.
D. Only specialized cells work together to perform its life functions.

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !