Sentence examples for fitness declines from inspiring English sources

But the researchers found measurable evidence of fitness declines.

The union is angry that firefighters face paying higher pension contributions, working into their late 50s before retiring and could be sacked because their fitness declines as they get older.

Past this threshold, cascades start affecting a large fraction of the network, resilience collapses and the fitness declines rapidly.

The manner in which fitness declines is described by a monotonically decreasing function, which may take a variety of shapes, e.g., linear, concave-up, or –down.

Silander et al. [37] demonstrated that deleterious mutations can be context-dependent: as fitness declines, the ratio of beneficial to deleterious mutations increases (see also [38] [40]).

Recent population genetic theory [9], [10] has suggested that phenotypic complexity is proportional to the drift load, a quantity that describes how equilibrium mean population fitness declines with population size.

Compensatory evolution refers to the evolution through the fixation of compensatory mutations that restore their fitness decline with one another.

However, athletes using LBPPT may experience a cardiovascular fitness decline because of the task's decreased aerobic demands without modifying the treadmill velocity at which they run [9, 10, 12, 16 24].

In natural populations, purging and genetic rescue mitigate fitness decline during inbreeding periods, and might be critical to population survival, thus, both mechanisms should be considered when assessing extinction risks.

The first analysis provides interesting insight into average mutational trajectories with respect to fitness (fitness decline tendencies).

Female fitness declined linearly with latitude in both years and was particularly low above 41°N (Fig. 3).