They did much to establish the notion of progressive development as a category of thought, almost as familiar and indispensable as that of cause and effect.
Progressive development is admitted in the lectures on the Philosophy of History of Friedrich von Schlegel.
It is this law which necessitates an ever increasing variety, as well as a progressive development of organic forms.
Anyhow, I want to show that these differences do not support the idea of progressive development.
St. Hilaire insists on the locularity of the ovarium varying on the same plant in some of the Rutaceae, such differences do not speak, as it seems to me, in favour of progressive development.
Nageli himself urges that plants offer many morphological differences, which from being of no service cannot have been selected, and which he accounts for by an innate principle of progressive development.
Considering how comparatively few are the remains of this group of animals, the evidence which it affords of progressive development is remarkably clear.
Low Grade of early Mammals favourable to the Theory of Progressive Development.
B] In my Anniversary Address, for 1851, to the Geological Society, the reader will find a full discussion of the facts and arguments which bear on the theory of progressive development.
The views which I proposed originally in the Principles of Geology in opposition to the theory of progressive development may be thus briefly explained.
But, in the meanwhile, if any form of the doctrine of progressive development is correct, we must extend by long epochs the most liberal estimate that has yet been made of the antiquity of Man.
Chambers attacked the theological view that all animals and plants had been created at the beginning of the world, and maintained that geological evidence showed the occurrence of a progressive development of animal life.
The idea of progressive development of all life from common forms was not unknown to Huxley and his contemporaries, but was rejected by them.
Now this assemblage of animals bears evidence of progressive development.
From the Dipneusts upwards we now trace a progressive development of the vascular system, which ends finally with the loss of branchial respiration and a complete separation of the two halves of the circulation.
At first there is a progressive development; the foremost part of the medullary tube enlarges into a brain, and inside this two single sense-organs are developed, a dorsal auditory vesicle and a ventral eye.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "progressive development" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
