Sentences with phrase «course of his evolution»

From the beginnings of civilization, farmers have been intervening in the course of evolution by producing hybrid grains, and stock breeders have been domesticating animals that live longer or work harder or run faster.

I can trace my heritage through my cultural and racial ancestry, and thence further back through my animal ancestry, and still further back along the whole course of evolution — living, organic and inorganic.

Was a man - like «rational» species predetermined to appear in the course of evolution?

The fact that mind has emerged only once in the whole known course of evolution does not, in my opinion, bear out the view that rudiments of mind, or some kind of protominds, are omnipresent or even widespread in the living world.

Is there not reason for Man, become aware of the direction in which Life is taking him, to rebel at last; to go on strike against a blind course of evolution which may not, in any event, betoken any real progress?

In the course of evolution these material structures gradually emerged.

Bergson also assumes that the recurrent appearance of the different life forms in the course of evolution, throughout the various species, is an indication that they are necessary, at least from a practical standpoint.

If even one of them hadn't happened it would have drastically altered the course of evolution including the path that eventually led to us.

But if there were really no answer we should be obliged to conclude that, although the course of Evolution was «directed» up to the emergence of Life, beyond that point all that goes on is a scattering m every direction.

If we do, the awareness aroused in us of being each a responsible element in a rebounding course of Evolution must, at the same time as it gives rise to a desire and reason for action, inspire us with a fundamental sense of obligation and a precise system of moral tendencies.

Dr. J. A. Hadfield, one of the most distinguished psychologists of my generation, in an essay on The Mind and the Brain argues on a scientific basis «that in the course of evolution the mind shows an ever - increasing tendency to free itself from physical control and, breaking loose from its bonds, to assert its independence and live a life undetermined except by the laws of its own nature.»

Lloyd Morgan (1933; cf. Wright 1935) treated the origin of mind in the course of evolution as a phenomenon of the same sort as the emergence of a new organ or physiological capacity.

All biologists agree that the behavior of organisms as a whole is directive, in the sense that in the course of evolution some at least of it has been modified by selection so as to lead with greater or less certainty towards states which favour the survival and reproduction of the individual.

Over the course of evolution, some duplicate genes are short - lived, losing functionality and ultimately being removed.

«It changed the course of evolution.»

And the gene seems to have arisen only once in the course of evolution; after that, it passed from one species to another, changing little along the way.

The size of the human brain expanded dramatically during the course of evolution, imparting us with unique capabilities to use abstract language and do complex math.

«May we not feel,» he wrote, «that in the virus, in their merging with the cellular genome and reemerging from them, we observe the units and process which, in the course of evolution, have created the successful genetic patterns that underlie all living cells?»

Their discovery, published in the journal New Phytologist on February 24, 2017, sheds light on a question that much intrigued Darwin: the appearance of a structure as complex as the flower over the course of evolution.

He was already researching how the tail in birds first got shorter and then disappeared over the course of evolution.

The scientists are now planning further experiments study the co-evolution of dandelions and their root herbivores in order of find out whether the presence of root - feeding insects has shaped the plant defensive chemistry in the course of evolution and whether the insects show adaptations to dandelion defenses.

In today's issue of Cell, a team reports that it has found in mice and humans a close relative of a fruit fly clock gene — the first evidence that some of these genes may have been conserved over the course of evolution.

Based on these observations, the scientists concluded that throughout the course of evolution the nervous system also participated in a controlling role for the microbiome, in addition to its sensory and motor tasks.

Although it may seem unlikely that the 959 - celled roundworms have much in common with humans, many genetic pathways were conserved during the course of evolution.

In the course of evolution, tetrapods developed various body shapes and sizes — from the mouse to the dinosaur — to adapt to different environments.

These events often completely change the course of evolution.

«Rodents, dogs and other mammals commonly sniff themselves, and they sniff one another in social interactions, and it seems that in the course of evolution, humans have retained this practice — only on a subliminal level.»

«It's interesting to think about whether this flexibility may have been adaptive over the course of evolution,» says Turnbaugh.

We employ similar pathways to shape our parts as embryos, but over the course of evolution, humans may have lost the ability to tap into it as adults, perhaps because the cell division required for regeneration elevated the likelihood of cancer.

Cosmic forces determine the abundances of the terrestrial elements, the ultimate source of energy for the Earth is the Sun, and cosmic events over the ages have shaped the course of the evolution of the Solar System.

Instead phrases like «the scrub jay wants to do this, decides that this is the right time,» and so on, are shorthand for the more correct but cumbersome, «Over the course of evolution, scrub jays who, at least in part through genetically influenced mechanisms, are better able to optimize the timing of their behavior leave more copies of their genes, thus making this attribute more prevalent in the population.»

What's more, the template for our bodies has changed over the course of our evolution and is still changing today.

Now, researchers reporting in Current Biology on August 24 think they know why that call feature has arisen multiple times over the course of evolution: it improves the ability of listeners to detect call components that provide important identifying information about a caller.

What I find most interesting is the idea that the embryonic tissue that goes on to form limb and the motor neurons is regulated by coordinated molecular mechanisms — under the guidance of a genetic program that has been conserved over the course of evolution.

If correct, these changes could alter the course of evolution by giving natural selection new targets to act on.

But in recent years, it's become clear that these organisms simply lost their mitochondria over the course of evolution.

Over the course of evolution, Olavius algarvensis, a bizarre little worm living in sediments along the Mediterranean, appears to have lost its mouth, guts, and excretory organs.

The newly created Paul G. Allen Frontiers Group has selected four initial researchers — Jennifer Doudna of the University of California (UC), Berkeley, Ethan Bier of UC San Diego, James Collins of the Massachusetts Institute of Technology in Cambridge, and Bassem Hassan of the Brain and Spine Institute in Paris — to receive $ 1.5 million each to study topics ranging from novel techniques for gene editing, how shapes and forms arise over the course of evolution, and how synthetic biology can create microbes that trap and kill dangerous bacteria.

How can these epigenetic changes affect the traits that natural selection can act on — and therefore the future course of evolution?

A team of paleontologists of the Museum für Naturkunde Berlin, the State University of New York at Oswego and Brown University shows in a new study of fossil amphibians that the extraordinary regenerative capacities of modern salamanders are likely an ancient feature of four - legged vertebrates that was subsequently lost in the course of evolution.

During the course of evolution, building blocks of enzymes called amino acids are often swapped out and replaced by other amino acids.

She hopes to pinpoint which genes are expressed in each cell type when brain cells make long distance connections, and to make similar maps in other primates to chart what changed as brains rewired over the course of evolution.

Researchers of Ludwig - Maximilians - Universitaet (LMU) in Munich now reveal that such selective interactions can break down over the course of evolution.

That's why in the course of the evolution our visual perception has specialized in the recognition of faces in particular.

In the course of evolution, some bacteria have therefore developed a weapon to inject a toxic cocktail into competitors and rivals in their neighborhood, thus eliminating them.

Speech may also have gradually improved over the course of our evolution.

They looked for genes that became more or less active over the course of evolution.

In the course of evolution, certain mammals, notably humans, have developed larger brains than others, and therefore more advanced cognitive abilities.

In the course of evolution, these algae have adapted their light - harvesting mechanisms to their environment and have thus become capable of utilising green light.

We often think of bones as a stiff scaffold that everything else hangs on, but anatomists know that soft tissues actually morph bones as an animal grows, and over the course of evolution.