And the natural classification gave the order not only of geological succession but also of stages of embryonic development.
We should expect some such correspondence from the fact already stated that the embryonic development of the individual is a brief recapitulation of the ancestral development of the species or larger group.
But this explains also the facts of embryonic development.
The lower forms attained the placental mode of embryonic development; the higher attained upright gait, hands and feet, and a great increase of brain.
There are a number of other circumstances that have an influence on the period of embryonic development.
If there be any evolution, par excellence, it is evolution of the individual or embryonic development.
We have shown continuously progressive change in organic forms during the whole geologic history of the earth, similar in a general way to that observed in embryonic development.
The post-embryonic development of the organs of Glochidium is similar in the main to that of other Lamellibranchiata.
At some time the progenitors of man and his co-descendants became covered all over with a coat of hair.
But it is time now to pass to those points of resemblance between man and the other mammals which are asserted as the decisive proofs of his and their descent from some pre-existing form, their common progenitor.
But with advocacy we may expect that kind of fairness which consists in a full recognition of the opposite argument.
The reason why the Greek philosophers did not embrace the idea of absolute creation was not because it was an unthinkable idea, or one incapable of representation in thought.
It is not by any process of embryonic development, but by a secondary metamorphosis of the adult that the Insect acquires the power of flight necessary for the deposit of eggs in a new site.
The last and most conspicuous change, however, from the gill-bearing and tailed tadpole to the air-breathing and tailless frog, hardly belongs to the ordinary period of embryonic development.
The process of invagination, in embryonic development, by which a gastrula is formed.
The classification depends chiefly on the character of the post-embryonic development, that is, on whether the metamorphosis is complete or incomplete, and on the structural character of the mouth-parts and wings.
The ontogeny, or embryonic development, of the soul, individual or biontic psychogeny, investigates the gradual and hierarchic development of the soul in the individual, and seeks to learn the laws by which it is controlled.
Hence, until the time of Darwin no one had a clear idea of the real nature and causes of embryonic development.
Hence it is important that we find a large number of lower animal forms to be still represented in the course of man's embryonic development.
This work treats especially of embryonic development, and it is of great interest as being the earliest of its kind and the only one that has come down to us in any completeness from classical antiquity.
In the first place, his theory of epigenesis gave us our first real insight into the nature of embryonic development.
Partly on account of this congestion and partly on account of embryonic development, the uterus becomes altered in a number of ways.
Embryonic development, therefore, in the strictest sense of the term, chiefly involves the shifting of various groups of cells and the bestowal upon them of different kinds of activity.
Now that we have become familiar with the arrangements for the protection of the embryo, we are prepared to learn how it develops, and may accept the phrase, embryonic development, to cover the whole period of existence within the womb.
Since the time of conception determines the beginning of embryonic development, to prove that the act was committed before fetal movements were perceived is no longer a valid defense.
These limbs pass through three stages in embryonic development as to their position, which may be designated as amphibian, reptilian, and mammalian.
The range of temperatures tolerated by developing eggs probably varies with the stage of embryonic development.
Unsuitable environmental conditions that delay the nesting season and retard the rate of embryonic development may, in some years, be important limiting factors on populations of ornate box turtles.
Sizes of ova vary irrespective of size of female and stage of embryonic development.
Preserved western cottonmouths were examined for the purpose of determining variation, distribution, food habits, body proportions, embryonic development, and reproductive cycles.
Now, in embryonic development, the tail of the modern typical bird passes through all these stages.
But as in relation to this purpose the illustrations speak for themselves, I may now pass on at once to the history of embryonic development, which follows fertilization of the ovum.
Many pages of ancestral history may be recapitulated in the paragraphs of embryonic development, while others may not be so much as mentioned.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "embryonic development" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
