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Antonie van Leeuwenhoek. Traditional religion attributed the origin of life to deities who created the natural world. Spontaneous generation, the first naturalistic theory of abiogenesis, goes back to Aristotle and ancient Greek philosophy, and continued to have support in Western scholarship until the 19th century. [15]
Aristotle begins by raising the question of the seat of life in the body ("while it is clear that [the soul's] essential reality cannot be corporeal, yet manifestly it must exist in some bodily part which must be one of those possessing control over the members") and arrives at the answer that the heart is the primary organ of soul, and the central organ of nutrition and sensation (with which ...
Experimentalists used a variety of terms for the study of the origin of life from nonliving materials. Heterogenesis was applied to the generation of living things from once-living organic matter (such as boiled broths), and the English physiologist Henry Charlton Bastian proposed the term archebiosis for life originating from non-living materials.
Little is known about Aristotle's life. He was born in the city of Stagira in northern Greece during the Classical period. His father, Nicomachus, died when Aristotle was a child, and he was brought up by a guardian. At around eighteen years old, he joined Plato's Academy in Athens and remained there until the age of thirty seven (c. 347 BC).
One ancient view of the origin of life, from Aristotle until the 19th century, is of spontaneous generation. [19] This theory held that "lower" animals such as insects were generated by decaying organic substances, and that life arose by chance. [20] [21] This was questioned from the 17th century, in works like Thomas Browne's Pseudodoxia ...
Aristotle's epigenetic view of successive life principles ("souls") in a developing human embryo—first a vegetative and then a sensitive or animal soul, and finally an intellective or human soul, with the higher levels able to carry out the functions also of the lower levels [19] —was the prevailing view among early Christians, including ...
Aristotle applies his theory of hylomorphism to living things. He defines a soul as that which makes a living thing alive. [19] Life is a property of living things, just as knowledge and health are. [20] Therefore, a soul is a form—that is, a specifying principle or cause—of a living thing. [21]
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 ...