On them, on the contrary, he founds a defence of the doctrine of spontaneous generation, and a general theory of spontaneous development.
But, judged of practically, what, again, has the question of Spontaneous Generation to do with us?
Some of the fanciful notions of those times were deemed less unreasonable, as being somewhat in harmony with the Aristotelian theory of spontaneous generation, then taught in all the schools.
This nature is daily engaged in the formation of the elementary rudiments of animal and vegetable existence, which correspond to what the ancients termed spontaneous generation.
Redi, an eminent Italian, first demonstrated experimentally the falsehood of this doctrine, and for some time the hypothesis of spontaneous generation appeared to have received a death-blow.
The difficulties and dangers besetting this thorny and much-vexed subject will be better understood if we institute a short examination into the history and present condition of the doctrine of Spontaneous Generation.
Your philosophy of spontaneous generation of life says, Yes, yes, there was a time when it began to be, and it was spontaneously generated, of course it was.
Therefore the efforts of unbelievers to produce organic life, by spontaneous generation, is an effort to create organic life.
The efforts of unbelievers to produce organic life by spontaneous generation, is an effort to produce organic life where it is not.
However the fancy arose, it is only a parallel to the strange fancies as to spontaneous generation of all sorts of animals and plants current 200 years ago among civilised men.
But these are but the echoes of the past; we do not believe nowadays in "spontaneous generation," nor in sudden transformations of lower into higher forms of life.
Defn: One who believes in the theory of spontaneous generation, or heterogenesis.
The doctrine that all organisms must come from living parents; biogenesis; -- the opposite of Ant: spontaneous generation.
Defn: A believer in panspermy; one who rejects the theory of spontaneous generation; a biogenist.
The old idea of spontaneous generationis now taken in many different senses.
But before we go more fully into it, let us glance briefly at two other theories, which seem to me to be of great importance in the decision of that controversy--the carbon-theory and the theory of spontaneous generation.
It is quite true that the testimony of our century, so far as it goes, is all against the idea of "spontaneous generation" under existing conditions.
The question of the "spontaneous generation" of living protoplasm, p.
Perhaps extreme pressure may be one of these conditions; and, for aught any man knows to the contrary, the "spontaneous generation" of living protoplasms may be taking place incessantly at the bottom of every ocean of the globe.
As to Owen in his 'Aye Aye' paper, he seems to me a disciple of Pouchet, who converted him at Rouen to 'spontaneous generation.
This is certainly a sufficiently vague and unsatisfactory theory of spontaneous generation.
We know that he was a firm believer in spontaneous generation, and that he conceived that it took place not only in the origination of his primeval germs or ébauches, but at all later periods down to the present day.
Pasteur's demonstration that there was no such thing as spontaneous generation, served at first only to bring down on his devoted head the aspersions of most of the distinguished scientific men in Europe.
He announced definitely infusoria non oriuntur generatione aequivoca--the infusoria do not originate by spontaneous generation.
This process we shall have occasion to examine in all its details, in connection with the researches on spontaneous generation.
He thus found himself face to face with the question of spontaneous generation, to which the researches of Pouchet had just given fresh interest.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "spontaneous generation" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.