Molecule- includes all the smallest perspectives of life on earth, but also some of the most important. Changing the world starts with the smallest particles, the very beginning of all life. This subtheme includes subjects like chemistry, nanotechnology, microbiology, virology, and genetics.
Organism- is an individual; a human being, an animal, a plant, or maybe a robot? The organism is built up of smaller parts and operates on its own or within a community. This subtheme includes biology, medicine and health, chemistry, economy, engineering, food science, biotechnology, how the environment impacts the individual being.
Community- is the interaction between organisms, meaning anything from the interaction between a parasite and its host to human societies to robot-human interaction. This subtheme includes engineering, social sciences, economy, entrepreneurship, natural resource management, food and consumption, urban and rural development, agriculture and land use, forestry, food security, medicine and health.
Ecosystem- are interactions on a large scale, how all things in the world are dependent on each other and how even the smallest change can have the biggest impact. This subtheme includes environmental sciences, innovations and entrepreneurship, biology, geography and social studies, rural and urban development, natural resource management, engineering, forestry and agriculture, food security, medicine and health and epidemiology.