Roughly speaking, then, it's tempting to think of natural selection as the accelerator of evolution, driving different or divergent traits and constraint as the brakes, maintaining or conserving ...

Roughly speaking, then, it’s tempting to think of natural selection as the accelerator of evolution, driving different or divergent traits and constraint as the brakes, maintaining or conserving ...

Darwin thought that evolution took place over hundreds ... the finches for over 25 years and have witnessed natural selection operating in different ways under different circumstances.

This is a key mechanism of evolution that leads to the ... and found that natural selection varies in strength on different individual genes from year to year. They discovered that in stable ...

To grow a crop in different places — a dry place ... to appreciate this cause-effect relationship between natural selection and evolution. When natural selection occurs, a population evolves.

Those that lack variation have constraint, impeding evolution even if it ... ScienceAlert said natural selection maintains this length difference called “anther separation.” ...

So, they began testing it the only way they could — by breeding plants and animals, watching what happened, and doing it again. This ancient curiosity gave rise to a powerful tool: artificial ...

When evolution skeptics want to attack ... with its many parts and astounding abilities. Through natural selection, different types of eyes have emerged in evolutionary history -- and the human ...

But Lamarck’s ideas were still an essential stepping stone that inspired Darwin’s ideas of natural selection. Evolution can produce different patterns over time. We can label the three main ...

Natural selection is a mechanism of evolution—not evolution itself ... islands informed Darwin that local finches tended to ...

In natural selection, it's the natural ... and more long-necked giraffes. The main difference between the Lamarckian and Darwinian ideas of giraffe evolution is that there's nothing in the ...