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For example, in higher mammals the play of the young is an important element of psychic development and social integration. Therefore this activity has teleonomic value, inasmuch as it furthers the cohesion of the group, a condition for its survival and for the expansion of the species.
Teleology, from Greek τέλος, telos "end, purpose" [3] and -λογία, logia, "a branch of learning", was coined by the philosopher Christian von Wolff in 1728. [4] The concept derives from the ancient Greek philosophy of Aristotle, where the final cause (the purpose) of a thing is its function. [5]
These can be inorganic (for example, water and metal ions) or organic (for example, the amino acids, which are used to synthesize proteins). [7] The mechanisms used by cells to harness energy from their environment via chemical reactions are known as metabolism. The findings of biochemistry are applied primarily in medicine, nutrition, and ...
Molecular biology – study of biology and biological functions at the molecular level, with some cross over from biochemistry. Structural biology – a branch of molecular biology, biochemistry, and biophysics concerned with the molecular structure of biological macromolecules. Health sciences and human biology – biology of humans.
The science of classification, in biology the arrangement of organisms into a classification [4] "The science of classification as applied to living organisms, including the study of means of formation of species, etc." [5] "The analysis of an organism's characteristics for the purpose of classification" [6]
Physics, Chemistry, Mathematics, Biology: Purpose: Admission to undergraduate science programs (BS Four-year and BS-MS Dual Degree Five-year programs) in 7 IISERs, BS Four-year program in IISc, and BS Four-year program of MSE in IIT Madras only. Year started: 2010 (15 years ago) () Duration: 3 hours: Score range-60 to +240: Offered: once in a year
Examples include the legs of a centipede, the maxillary and labial palps of an insect, and the spinous processes of successive vertebrae in a vertebrate's backbone. Male and female reproductive organs are homologous if they develop from the same embryonic tissue, as do the ovaries and testicles of mammals , including humans .
The biology texts they developed covered evolutionary theory, which was by this time overwhelmingly accepted as biology's central organizing principle. These books became widely used in the nation's high schools, and as a consequence, the public controversy about the teaching of evolution in public schools re-ignited.