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Biology is the natural science that studies life and living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, development and evolution. Despite the complexity of the science, there are certain unifying concepts that consolidate it into a single, coherent field. Biology recognizes the cell as the basic unit of life, genes as the basic unit of heredity, and evolution as the engine that propels the creation and extinction of species. Living organisms are open systems that survive by transforming energy and decreasing their local entropy to maintain a stable and vital condition defined as homeostasis.
1. the science that systematically studies the composition, properties, and activity of organic and inorganic substances and various elementary forms of matter. 2. chemical properties, reactions, phenomena, etc.: the chemistry of carbon.
In its most simple and concise definition, economics is the study of how society uses its limited resources. Economics is a social science that deals with the production, distribution, and consumption of goods and services. ... Macroeconomics - the branch of economics that studies the overall working of a national economy.
Geography (from Greek γεωγραφία, geographia, literally "earth description") is a field of science devoted to the study of the lands, features, inhabitants, and phenomena of Earth. The first person to use the word γεωγραφία was Eratosthenes (276–194 BC).
The Greek word was borrowed into Classical Latin as historia, meaning "investigation, inquiry, research, account, description, written account of past events, writing of history, historical narrative, recorded knowledge of past events, story, narrative".
Physics is the study of the natural world. It deals with the fundamental particles of which the universe is made, and the interactions between those particles, the objects composed of them (nuclei, atoms, molecules, etc) and energy. Physics is the science of Nature - of matter and energy in space and time.
8. political Science
The major in Political Science leads to the Bachelor of Arts Degree. ... The specific subfields of the discipline include American government and politics, comparative government and politics, international relations, political theory, public law, and public administration