Sentence examples for primary selective forces from inspiring English sources

The impacts of low temperatures and seasonally limited food availability have long been recognized as primary selective forces driving the evolution of the many endemic species found in Antarctica today [ 4- 8].

While the primary selective forces shaping eye physiology and morphology in B. anynana have to be further pursued with field and lab experiments, we propose that an intricate balance between sexual selection, natural selection, and developmental constraint are playing a role.

Temperature is one of the primary selective forces shaping the timing of breeding, hatching, and emergence of salmonine fishes (Quinn 2005) and climate models predict continued warming of the earth's surface over the next century (Δ 2 5°C by 2100, Intergovernmental Panel on Climate Change).

Both have in common that they assume that female polymorphism is maintained by negative frequency-dependent selection, with the primary selective force being costly male sexual harassment.

While we found evidence for both positive selection and segregating deleterious alleles, purifying selection appears to be the primary selective force acting in all three strains.

Our study of female anatomy strongly suggests that intersexual selection is an additional, and perhaps the primary, selective force in the evolution of diversity in size and elaboration seen in male waterfowl genitalia.

In fact, the opportunity to cooperate with kin may be a primary selective force in the evolution of group-living among primates [11].

For example, when relatedness (p0) and competition for resources (z0) are low, the direct benefit of persistence will be the primary selective force, and indirect benefit to others will just be a byproduct.

The primary selective force for four of these six mutations is likely to be their ability to produce multicellularity: an ace2Δ strain is morphologically similar to EvoClone2 and a mck1-G227Vfs249 isc8-G57V gin4-W19* strain is morphologically similar to EvoClone9.

Nectar sugar concentration, composition, and flower visitor assemblages were identified as main selective forces.

In our study, the main selective force that affects immunological memory traits was the pathogen environment.