Sentence examples for fitness return from inspiring English sources

In the context of host selection, parasitoids that forage optimally should adopt behaviors that provide the highest fitness return or profitability in relation to the host size or age availability distribution [4] [5].

Different condition-dependent reproductive tactics may be associated with unequal average fitness, but the tactic chosen by a given male under given circumstances is thought to result in the highest possible fitness return.

These assumptions follow the headstart or assured fitness return models of cooperation where the helper's benefit for the mother and her siblings is for potential nest survival if the mother should die [ 21, 22].

It is well established that birds adjust their primary offspring sex ratio according to certain environmental circumstances, and several functional hypotheses have been put forward, proposing that higher fitness return parents would gain from an overproduction of either sons or daughters.

As the two strategies could result in the same overall fitness return, such a trade-off could result in the persistence of variation in spore investment strategies, which are in turn manifested as variation in social strategies when the relative numbers of spores produced in chimeras is considered as the sole measure of "success".

I could feel my fitness returning and even my knees started giving me some slack.

King David, now at Bury and supposedly struggling for match fitness, returns for an encore - four years after his last international goal.

Because such diseases have killed so many people throughout history, our ancestors probably reaped huge fitness returns from traits -- even subtle ones -- that maintain hygiene and a tendency to avoid others who may be infectious.

In either case, social behavior of each individual will not only determine its own position within the group, but also contribute to the group structure, and will accordingly affect fitness returns the individual gets from both factors.

A recent study [21] reports high costs of multiple mating for males (and none for females) and speculates that this could result in increased selection against heterospecific mating (as these have lowest fitness returns) in males.

With drifting helpers, only direct fitness returns to the potential helper can select for helping behavior.