Search results

...etition and energetic restraints must in some manner feed back into either speciation or extinction rates as these are the only ultimate processes (see [[Tinberg ===Speciation rates=== ...

...study of speciation'''|a broader description of the biological phenomenon|Speciation}} ...ary synthesis]] in the early part of that century. Since then, research on speciation has expanded immensely. ...

...ow.<ref name=a>{{cite book|last1=Coyne|first1=JA|last2=Orr|first2=HA|title=Speciation|date=2004|publisher=Sinauer Associates, Inc|location=Massachusetts}}</ref> ...rmant eggs and larvae that circulated intro overflow traps during flooding events. Genetic differentiation among sites was highly significant (with neighbori ...

...d lines embedded in the species tree). The time between the two speciation events (T, measured in coalescent units) can be used to calculate the probability ...age. In the type 2 tree the alleles in species A and B coalesce before the speciation event that separated the A-B lineage from the C lineage (in other words, th ...

{{Short description|Form of speciation from isolation}} ...ed stickleback]] fish have been a frequently studied species in ecological speciation.]] ...

{{short description|Speciation arising from change in breeding time}} ...or more species—speciation caused by allochrony is effectively allochronic speciation. ...

...hical areas and species, [[cospeciation]] between host and symbiont, and [[speciation]] for gene and species, but always corresponds to the same co-diversificati ...vely, species, hosts) to reveal their interdependence and the evolutionary events that have marked their shared history. The development of reconciliation ap ...

...sign responsibility for, or resolve ambiguity about, “unattributed nuclear events,” such as accidents at nuclear facilities, nuclear weapons mishaps in denie ...rated as a technique for nuclear forensic investigations involving uranium speciation.<ref>{{Cite journal|last1=Crean|first1=Daniel E.|last2=Corkhill|first2=Clai ...

...etals do not show large stable isotope fractionations as a result of these events and because iron is one of the most abundant elements in the terrestrial pl ...ent biomedical research aims to use iron isotopes to better understand the speciation of iron in the body, with hopes of eventually being able to reduce the avai ...

...0.291|issn=0036-8075|pmid=11030643|bibcode=2000Sci...290..291F}}</ref> The speciation{{Clarify|reason=|date=November 2020}} of dissolved inorganic carbon in the ...hydrogen ions. pH is therefore an indicator of carbonate [[Ion speciation|speciation]] (the ''format'' of carbon present) in the oceans and can be used to asses ...

...}</ref><ref name="Dauphin">{{cite journal |last1=Dauphin |first1=Y. |title=Speciation and distribution of sulfur in a mollusk shell as revealed by in situ maps u ...oorly preserved, and necessarily associated with complicated and excursive events such as local [[sea level rise|sea level change]].<ref name="Claypool">{{ci ...

...re is an unavoidable level of uncertainty when reconstructing transmission events from residual evidence, such as the spatial distribution of the disease. A ...most often its nucleic acid [[genome]] &mdash; to reconstruct transmission events. Many infectious diseases are routinely detected or characterized through ...

...in various scientific fields allows for the prediction of some far-future events, if only in the broadest outline.<ref name="NYT-20230502">{{cite news |last ...st and most remote reaches of future time. They include alternative future events that address unresolved scientific questions, such as whether [[Human extin ...

...ext of this theory, "introduction" ("origination") is a technical term for events that shift an [[allele frequency]] upward from zero (''[[mutation]]'' is th ...dels demonstrate that when an evolutionary process depends on introduction events, [[mutation bias|mutational]] and [[developmental bias]]es in the generatio ...

...eld]] sport, [[steel]] balls used in the [[hammer throw]] and [[shot put]] events are filled with lead in order to attain the minimum weight required under i ...Cornelis, J. Caruso, H. Crews & K. Heumann (eds), ''Handbook of Elemental Speciation II: Species in the Environment, Food, Medicine and Occupational Health,'' J ...