Evolutionary pressure information

Evolutionary pressure, selective pressure or selection pressure is exerted by factors that reduce or increase reproductive success in a portion of a population...

deciduous forests all are formed as a result of evolutionary pressures. Even seemingly small evolutionary interactions can have large impacts on the diversity...

individuals regardless of sex. Herd immunity itself acts as an evolutionary pressure on pathogens, influencing viral evolution by encouraging the production...

Evolutionary biology is the subfield of biology that studies the evolutionary processes (natural selection, common descent, speciation) that produced...

ocean levels disconnected the island from the mainland. The ensuing evolutionary pressure allowed the snakes to adapt to their new environment, increasing...

demonstrating that around 1.2 million years ago there was a strong evolutionary pressure which acted on the development of dark skin pigmentation in early...

Evolutionary psychology is a theoretical approach in psychology that examines cognition and behavior from a modern evolutionary perspective. It seeks...

extant aquatic organisms possess homogeneous lenses; presumably the evolutionary pressure for a heterogeneous lens is great enough for this stage to be quickly...

area to breed feral populations that form new landraces through evolutionary pressure. There are differences between authoritative sources on the specific...

respectively). There are four prevailing theories as to what the evolutionary pressure was for primates to develop trichromatic vision. The Fruit Theory...

of biological populations over successive generations. It occurs when evolutionary processes such as natural selection and genetic drift act on genetic...

continue and develop, weeds evolve further, with humans exerting evolutionary pressure upon weeds through manipulating their habitat and attempting to...

related, but share a similar original trait in response to similar evolutionary pressure. Given a trait that occurs in each of two lineages descended from...

is no apparent evolutionary pressure (positive or negative) concerning the muscle, it has remained largely unaffected by evolutionary processes. Palmaris...

cephalothorax across disparate decapod species suggest similar evolutionary pressures. Some occurrences of carcinisation are derived from convergent but...

the intestine. This has been hypothesized to compensate for an evolutionary pressure to reduce mass in flying animals, which resulted in a reduction...

between lifeforms and manufactured objects is desirable because evolutionary pressure typically forces living organisms—fauna and flora—to become optimized...

longitudinally. Once adequately "wrapped", escape would be more difficult. Evolutionary pressure then selected for plants with shorter response time, in a manner...

been under evolutionary pressure to adopt a different mechanism.[citation needed] Some gene families are conserved or under evolutionary pressure and expansion...

difference is due to the biological trade-off imposed by two opposing evolutionary pressures in the development of the human pelvis: smaller birth canals in...

The germline model suggests that MHC restriction is a result of evolutionary pressure favoring T cell receptors that are capable of binding to MHC. The...

major radiation events that mark diversification and speciation in the evolutionary history of Cetacea. The first occurred around the middle Eocene (40 Mya)...

well as the strong evolutionary pressure on the affected weeds. Three agricultural practices account for the evolutionary pressure upon weeds to evolve...

Competitive pressure from fish is thought to have forced the shelled forms into deeper water, which provided an evolutionary pressure towards shell...

The evolutionary neuroandrogenic (ENA) theory is a conceptual framework which seeks to explain trends in violent and criminal behavior from an evolutionary...

the amount of water readily available to the plants. Thus, strong evolutionary pressure was put on the ability to find more water. Plants recognize water...

it is the dynamic evolutionary process of natural selection that fits organisms to their environment, enhancing their evolutionary fitness. Secondly,...

by the mechanism of gene duplication, being under unusually high evolutionary pressure to develop color vision better than the mammalian standard. Ability...

thought that competitive pressure from fish forced the shelled forms into deeper water, which provided an evolutionary pressure towards shell loss and gave...