Sentence examples for evolution occurs gradually from inspiring English sources

But because molecular evolution occurs gradually, a naturalistic assumption of the "jackprot" model, each time any of the correct nucleotides is generated by the slot-machine, natural selection rewards it and keeps it (partial nucleotide win in a codon or "jackdon").

We recognize that it is equally feasible that such evolution occurs more gradually.

Since the changes in tRNA family sizes during evolution likely occur gradually, perhaps one copy at a time, we also examined the effect of adding low copy number plasmids carrying either tRNAArgUCU or tRNAArgCCU.

Relief of symptoms occurs gradually over two or three months.

The process occurs gradually, especially for larger pieces of glass.

In the animal kingdom, adaption to change occurs gradually over long time periods.

In most cases, liver dysfunction occurs gradually over many years.

They also reported that RNA fragmentation occurs gradually over time.

CORRECTION: Evolution occurs slowly and gradually, but it can also occur rapidly.

And here I claim that it is not actively "maintained", but rather no substantial adaptive evolution occurs without it, and so obligate asexuality cannot gradually and adaptively evolve.

Inference of the tempo and mode of hydrocarbon profile evolution provides evidence generally consistent with the hypothesis that change in this set of characters does not occur gradually during phyletic evolution, but relatively rapidly, in proportion to the number of speciation events.