fitter

That ignores the possibility that early forms of life combined to form fitter symbiotic life forms.

Yet you are much larger, and fitter, but only need 2300 to maintain.

I joke that I'm not even getting any fitter; I'm just increasing my capacity for suffering.

If you are seriously considering using an exercise ball, get a puncture-resistant one from a company like Fitter First (that guarantees against explosive decompression).

Russia is making its army fitter for war with less money.

If you're in the UK, give Fitter a go (full disclosure: I'm a founder there.

I'm imaging if I lost something involving physical activites I would rationalise it as my opponent being stronger/fitter/faster/better hand eye coordination etc.

Exercise makes you fitter and healthier by hitting progressive overload.

If you're interested in this, check out a paper by one of my old mentors: Darwinian evolution can follow only very few mutational paths to fitter proteins.

This is not a pipe fitter or installer job.

I still eat junk now and then, and don't go crazy over it, since I know that on average I'm still getting fitter.

The fitter you are the more experience you have working through the pain of maximal exertion and the closer you can get to your true max 2.

If evolution were about optimization then the current set of organisms would be "fitter" compared with dinosaurs (for example).

JS succeeded in spite of all my "salesmanship", because it was fitter in its basics and of course its place of priority.

"Survival of the fittest" is not about who is physically stronger but who is fitter for their environment.