Question

which is a characteristic of all living things they respond to stimuli they are multicellular they are unicellular need water

Explanation:

Living things can be unicellular or multicellular. But all living things respond to stimuli in their environment and need water for various physiological processes. Response to stimuli is a fundamental characteristic of life, and water is essential for metabolism, transport of substances, and many other life - sustaining functions.

Answer:

they respond to stimuli, need water