Sentences with phrase «forces of natural selection»

The proposed «two - speed» mode of venom evolution highlights the fascinating evolutionary dynamics of this complex biochemical cocktail, by showing for the first time the significant roles played by different forces of natural selection in shaping animal venoms.

It would seem that the principal factor making for progress is still the operation of forces of natural selection, choosing from outside the most successful and adaptable products of a process of expansion that is disorderly in itself.

The research points to a «two - speed» evolution of animal venom, showing for the first time the significant roles played by different forces of natural selection.

To preserve their RNA - editing powers, octopus genomes are much more resistant to mutation, the driving force of natural selection.

Forces of natural selection nudged nonvenomous fang blennies toward colors and stripes similar enough to those of their venomous cousins to discourage attacks from an educated predator.

We're always being judged by the forces of natural selection, and we have no more guarantees than the people whose ghosts haunt the ruins of Chaco.»

But these pharmaceuticals suffer the same problem as all other approaches based on drugs that affect gene expression: They act as a force of natural selection against a disease with evolution at its disposal.

Trained as an evolutionary psychologist, Harrison suggests that the forces of natural selection may play a part in creating this behavior.

In other words, the forces of natural selection place pressure on a plant or animal and its full array of microbes.

In a world where we've tamed our environment and largely protected ourselves from the vagaries of nature, we may think we're immune to the forces of natural selection.

Jantz agrees but still thinks the trend has «an evolutionary component because the forces of natural selection have changed so radically in the last 200 years.»

By comparing our bodies to bonobos, scientists have identified some of the forces of natural selection that led to us becoming the pudgy primate.

Random mutations in DNA, corralled by the forces of natural selection, fuel evolutionary change.

«You put a selective hammer on it and it happens fast,» said Norman Pace, an evolutionary biologist at the University of California, Berkeley, referring to the force of natural selection «It's shockingly fast, maybe just tens of millions of years.»

In the same way, the forces of natural selection weed out the less advantageous and more deleterious mutations over time.

Sometimes the forces of natural selection bear down on individuals.

If these complexes create a survival advantage for the organism, forces of natural selection should take over and spread the new protein complex through the population.

Although gluten is dangerous to our long term health and causes many chronic conditions, the forces of natural selection in human evolution has not improved human's impaired ability to consume foods with gluten because gluten tends not to affect human reproductive health in the short term.

Conclusion: Although gluten is dangerous to our long term health and causes many chronic conditions, the forces of natural selection in human evolution has not improved human's impaired ability to consume foods with gluten because gluten tends not to affect human reproductive health in the short term.