The killing of inferior animals ineach generation comes to the same thing as their separation.
It should, however, be remembered that both lots of plants had been subjected in each generation to almost exactly similar conditions.
The self-fertilised plants, whether originally descended from one or two mother-plants, were thus in each generation as closely interbred as was possible; and I could not have improved on my plan.
Each generation makes a fresh start, as we see in the babies of our slums to-day.
Thus education alone would have similar material to act upon from age to age, would have to make a fresh beginning in each generation, and its results, however good, relatively, would still be limited and finite.
We speak a language that we did not make; we use instruments that we did not invent; we invoke rights that we did not found; a treasury of knowledge is transmitted to each generation that it did not gather itself, etc.
In the first place, each generation in a phratry belongs to different clans from the immediately preceding one.
For if the same soul is going to clothe a new personality in each generation, the individual forms in which it successively develops itself must all be equally external to it, and have nothing to do with its true nature.
So that in each generation there is as it were a picking over of a species, a picking out of most of the weak or unsuitable and a preference for the strong and suitable.
Every species changes all its individualities in each generation.
There will be a weeding out of the white in favour of the brown in each generation.
It has been studied only for a few generations, and by only a few men in each generation.
Among the divergent varieties of any species in each generation, those would be preserved which are most in accordance with the new climate, and the others would perish.
The new knowledge that is gained in each generation is obtained through experiment, but many costly errors are avoided in these experiments through the wisdom that is based on the accumulated knowledge of the past.
It has, however, to be fought anew in each generation and in the experience of individual thinkers.
As the chief historic systems of philosophy repeat themselves in each generation and in the intellectual development of individual thinkers, so do the Christological heresies recur.
May we not assume that this love for excitement, this desire for adventure, is basic, and will be evinced by each generation of city boys as a challenge to their elders?
It is also as certain that in giving the type a better chance than it has already, by preventing infection or by delaying the disease, the type will be more and more prevalent as each generation comes to life.
In the Greek schools the language used was Greek with Greek literature and methods of instruction, and at first the teachers were Greek.
At this time the youth was given much more liberty than when a boy, as now he was allowed to go wherever he wished, that he might become acquainted with what was going on in the city to prepare him for the duties of public life.
They were exercised in running, wrestling, leaping, throwing the discus, hurling the javelin, and in dancing and music.
They fought without weapons, but fists and teeth and body and limbs were most fiercely used, and many were the wounds received.
Or are they capable of being swamped and submerged and altogether over-ridden by the moulding influences brought to bear by environment on each generation?
The experience of each generation in succession seemed nothing in comparison with the accumulated experience of all preceding generations.
He was thinking not of Evolution, but of the ordinary production of each generation of animals from the preceding.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "each generation" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.