Essays Tagged: "Speciation"

Sexual Sabotage by the Bacterial Parasite Wolbachia

that are infected with the parasitic bacterium, thus vastly improving transmission.Long Term EffectsSpeciation: Speciation is the evolution of species into two distinct groups by a reproductive barrie ... f new species is isolated from that of the parent species. Wolbachia are thought to possibly induce speciation by cytoplasmic incompatibility and also by parthenogenesis. Although this is yet to prove ...

(6 pages) 28 0 5.0 Apr/2004

Subjects: Science Essays

The Origin of Species

ich are similar and can breed together to produce young animals or plants of the same kind as them. Speciation, the origin of new species, is the key process that brings new types. The four factors th ... rid fertility, and hybrid breakdown. The main role for these geographical isolations is to initiate speciation. There are also three other significant geographical barriers, genetic drift, bottleneck ...

(3 pages) 77 0 4.3 May/2004

Subjects: Science Essays > Biology

Chapter 19: Speciation

19.1 On the Road To SpeciationSpecies means "kind," as in "a particular kind of duck."Through the history of any species ... key, are like this. So are most zebroids, owing to chromosomal differences between the parents.19.3 Speciation in Geographically Isolated PopulationsThis model for speciation emphasizes the disruption ... odel for speciation emphasizes the disruption of gene flow, and it may represent the most prevalent speciation route. A physical barrier cuts off gene flow between two or more populations.Allopatry is ...

(6 pages) 47 0 1.0 May/2006

Subjects: Science Essays > Biology

Cornerstones of Biology

next generation in line. Whengiven enough time, this passive process can result in adaptations and speciation(StateUniversity.com, 2009). Natural selection is one of the cornerstones of modernbiology ...

(2 pages) 2841 0 0.0 Dec/2009

Subjects: Science Essays > Biology

i am the one

(5 pages) 3 0 0.0 Nov/2014

Subjects: Area & Country Studies Essays