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biology    音标拼音: [bɑɪ'ɑlədʒi]
n. U生物学

U生物学

biology
n 1: the science that studies living organisms [synonym: {biology},
{biological science}]
2: characteristic life processes and phenomena of living
organisms; "the biology of viruses"
3: all the plant and animal life of a particular region [synonym:
{biota}, {biology}]

Biology \Bi*ol"o*gy\, n. [Gr. bi`os life -logy: cf. F.
biologie.]
The science of life; that branch of knowledge which treats of
living matter as distinct from matter which is not living;
the study of living tissue. It has to do with the origin,
structure, development, function, and distribution of animals
and plants.
[1913 Webster]


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  • Biology | Definition, History, Concepts, Branches, Facts | Britannica
    Biology is a branch of science that deals with living organisms and their vital processes Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, marine biology, medicine, microbiology, molecular biology, physiology, and zoology
  • Biology Portal | Britannica
    The field of biology is subdivided into separate branches for convenience of study, though all the subdivisions share basic principles Biology encompasses fields such as botany, genetics, marine biology, microbiology, molecular biology, and much more
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    Biology - Evolution, Genetics, Classification: There are moments in the history of all sciences when remarkable progress is made in relatively short periods of time Such leaps in knowledge result in great part from two factors: one is the presence of a creative mind—a mind sufficiently perceptive and original to discard hitherto accepted ideas and formulate new hypotheses; the second is the
  • Biology - Aristotle, Organisms, Cells | Britannica
    Biology - Aristotle, Organisms, Cells: Around the middle of the 4th century bce, ancient Greek science reached a climax with Aristotle, who was interested in all branches of knowledge, including biology Using his observations and theories, Aristotle was the first to attempt a system of animal classification, in which he contrasted animals containing blood with those that were bloodless The
  • Biology - Evolution, Genetics, Species | Britannica
    Biology - Evolution, Genetics, Species: In his theory of natural selection, which is discussed in greater detail later, Charles Darwin suggested that “survival of the fittest” was the basis for organic evolution (the change of living things with time) Evolution itself is a biological phenomenon common to all living things, even though it has led to their differences Evidence to support
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    Reproduction, process by which organisms replicate themselves Reproduction is one of the most important concepts in biology: it means making a copy, a likeness, and thereby providing for the continued existence of species Learn more about the process of reproduction in this article
  • Biology - Evolution, Natural Selection, Adaptation | Britannica
    Biology - Evolution, Natural Selection, Adaptation: As knowledge of plant and animal forms accumulated during the 16th, 17th, and 18th centuries, a few biologists began to speculate about the ancestry of those organisms, though the prevailing view was that promulgated by Linnaeus—namely, the immutability of the species Among the early speculations voiced during the 18th century, the British
  • Biology - Origin, Evolution, Life | Britannica
    Biology - Origin, Evolution, Life: If a species can develop only from a preexisting species, then how did life originate? Among the many philosophical and religious ideas advanced to answer that question, one of the most popular was the theory of spontaneous generation, according to which, as already mentioned, living organisms could originate from nonliving matter With the increasing tempo
  • Life | Definition, Origin, Evolution, Diversity, Facts | Britannica
    Life, living matter and, as such, matter whose attributes include responsiveness, growth, metabolism, energy transformation, and reproduction Each individual is composed of one or more minimal living units, called cells, and is capable of transformation of compounds, growth, and participation in reproductive acts





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