Search results
Results from the WOW.Com Content Network
Life is defined as any system capable of performing functions such as eating, metabolizing, excreting, breathing, moving, growing, reproducing, and responding to external stimuli. But many such properties are either present in machines that nobody is willing to call alive or absent from organisms, such as the dormant hard-covered seed of a tree ...
Life - Evolution, Diversity, Biology: The existence of diverse definitions of life, as detailed in the previous section, surely means that life is complex and difficult to briefly define. A scientific understanding of living systems has existed since the second half of the 19th century.
Life - Origin, Evolution, Abiogenesis: Perhaps the most fundamental and at the same time the least understood biological problem is the origin of life. It is central to many scientific and philosophical problems and to any consideration of extraterrestrial life.
Life - Evolution, History, Earth: The evidence is overwhelming that all life on Earth has evolved from common ancestors in an unbroken chain since its origin. Darwin’s principle of evolution is summarized by the following facts.
Biology, study of living things and their vital processes that deals with all the physicochemical aspects of life. Modern principles of other fields, such as chemistry, medicine, and physics, for example, are integrated with those of biology in areas such as biochemistry, biomedicine, and biophysics.
Extraterrestrial life refers to life that may exist or may have existed in the universe outside of Earth. The search for extraterrestrial life encompasses many fundamental scientific questions, including ‘What are the basic requirements for life?’ and ‘Are there other planets like Earth?’
LIFE meaning: 1 : the ability to grow, change, etc., that separates plants and animals from things like water or rocks; 2 : the period of time when a person is alive
John Locke, English philosopher whose works lie at the foundation of modern philosophical empiricism and political liberalism. He was an inspirer of both the European Enlightenment and the Constitution of the United States. Learn more about Locke’s life and career.
Quality of life, the degree to which an individual is healthy, comfortable, and able to participate in or enjoy life events. The term is inherently ambiguous, as it can refer both to the experience an individual has of his or her own life and to the living conditions in which individuals find themselves.
Early life and education. Donald J. Harris and Shyamala Gopalan met as students as part of a Black student group at the University of California, Berkeley, in 1962. Harris was an economics doctoral student from Jamaica; Gopalan came from India to study nutrition and endocrinology.