The crossword solution for the term 'PREFIX WITH CONSCIOUS' is ECO, which stands for ecology. Ecology is the scientific study of the interactions between organisms and their environment. It is a branch of biology that focuses on the relationship between living organisms and their environment, including other organisms. Eco-consciousness is the awareness of the impact of human activities on the environment. It is an important concept in environmentalism, which is the movement to protect the environment from human-caused damage.