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Agathon was also the first playwright to write choral parts which were apparently independent from the main plot of his plays. Agathon is portrayed by Plato as a handsome young man, well dressed, of polished manners, courted by the fashion, wealth, and wisdom of Athens, and dispensing hospitality with ease and refinement.
Consequently, his model of human flourishing is usually called the PERMA model. He claims also that health is an essential element of flourishing, but he presents a quite vast notion of health, including biological assets (e.g., the hormone oxytocin, longer DNA telomeres), subjective assets (e.g., optimism, vitality), and functional assets ...
Aristotle studied embryology, like his predecessors, by studying developing embryos taken out from animals as well as aborted and miscarried human embryos. Aristotle thought both male and females contributed to development: the female through menstrual blood, which contributes to the matter used to develop the embryo, and the male through semen ...
Aristotle's cosmology that placed the Earth at the center of a spherical hierarchic cosmos. The terrestrial and celestial regions were made up of different elements which had different kinds of natural movement. The terrestrial region, according to Aristotle, consisted of concentric spheres of the four classical elements—earth, water, air ...
Aristotle (384–322 BC) studied at Plato's Academy in Athens, remaining there for about 20 years.Like Plato, he sought universals in his philosophy, but unlike Plato he backed up his views with detailed and systematic observation, notably of the natural history of the island of Lesbos, where he spent about two years, and the marine life in the seas around it, especially of the Pyrrha lagoon ...
The human pedigree recapitulating its phylogeny back to amoeba shown as a reinterpreted chain of being with living and fossil animals. From a critique of Ernst Haeckel's theories, 1873. The set nature of species, and thus the absoluteness of creatures' places in the great chain, came into question during the 18th century.
Diamond, who explicitly opposes racist evolutionary tales, [96] argues that the ultimate explanation of why different human development on different continents is the presence or absence of domesticable plants and animals as well as the fact that the east-west orientation of Eurasia made migration within similar climates much easier than the ...
In biology, epigenesis (or, in contrast to preformationism, neoformationism) is the process by which plants, animals and fungi develop from a seed, spore or egg through a sequence of steps in which cells differentiate and organs form.