Which of the following is an example of diffusion? A water freezing into ice

B sugar dissolving in a glass of water

C rain falling from the sky

D a stone sinking to the bottom of a lake

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive