system of ideas, values, and beliefs that form the basis of a social, economic, or political system

the branch of biology that deals with the form and structure of organisms and their specific structural features

The specific form of a society at a given stage of history, determined by the relationship between its economic base and its political or cultural structure. Examples include primitive, slave, feudal, capitalist, and socialist societies.

a signaling molecule that acts directly on cells to produce specific cellular responses depending on its local concentration

The system of ideas, beliefs, and values held by an individual or group to explain social phenomena; also written as [[意识形态|意識形態|yi4 shi2 xing2 tai4]]