adaptive radiation


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the development of many different forms from an originally homogeneous group of organisms as they fill different ecological niches

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It will efficiently coordinate activities in radiation therapy, chemotherapy and surgery and will offer advanced features for clinical resource optimization, workflow automation and adaptive radiation therapy.
The same pattern of adaptive radiation is observed in Pakistani wild rose-ringed parakeet which has been evolved independently in the indigenous environment.
This influential but simple experimental evolution model has been used to investigate aspects of adaptive radiation, including the importance of spatial structure (with high- and low-[O.sub.2] zones) and resource competition (for [O.sub.2] and nutrients), and of the emergence and maintenance of diversity [6,8] which can be readily measured by determining the frequencies and final population sizes (productivity) of Wrinkly Spreaders and other morphotypes on agar plates (e.g., [9,19, 20]).
After introductory chapters, the main themes are structure and function, adaptive radiation and diversity, behavior and ecology, and special topics.
RaySearch and PMH also collaborate in adaptive radiation therapy and a new feature in RayStation 4.5 is the MORFEUS technology initially developed by PMH.
Examples of relictual and autochthonous endemism among island taxa will be described and adaptive radiation among successful island colonizers will be emphasized.
"It is rare for small, delicate fossils to be preserved in Jurassic terrestrial deposits, and the Shishugou fauna is giving us a glimpse of what was living alongside the behemoths like Mamenchisaurus." The scientists write that the pterosaurs were a diverse group of Mesozoic flying reptiles that underwent a body plan reorganization, adaptive radiation, and replacement of earlier forms midway through their long history, resulting in the origin of the Pterodactyloidea, a highly-specialized group of pterosaurs of which Kryptodrakon is the earliest and most primitive species.
He and his students conduct fieldwork in the US, and many other parts around the globe and his current projects include: 1) population structure of amphidromous fishes of Micronesia, 2) evolution and systematics of the gobiid genera Ctenogobius, Oxyurichthys, Stiphodon and Sicydium, as well as the cryptobenthic Pacific coral reef fish community ecology and evolution, 3) ecological speciation and adaptive radiation of gobies, 4) cryptic speciation in African freshwater sleepers (Eleotridae: Kribia), and 5) conservation genetics of California desert fishes.
Intentionally or not, Cordy Ryman's use of the biological term "adaptive radiation" suggests the rhythmic relationship between his radiating patterns of paint and materials and their underlying, obdurate physicality.
A fundamental question in the study of adaptive radiation is whether a novel morphology evolves at the same time as a shift in the rate of speciation, indicating a causal relationship between the novel morphology (i.e.
Its CyberKnife and TomoTherapy systems deliver radiosurgery, stereotactic body radiation, intensity modulated radiation, image guided radiation as well as adaptive radiation therapies.Country: USASector: Healthcare, Computer SoftwareTarget: Morphormics IncBuyer: Accuray IncorporatedDeal size in USD: 5.7mType: Corporate acquisitionStatus: Agreed
To test the adaptive radiation idea, they analyzed the colony forms of 183 neograptine and diplograptine species that lived before, during or after the Ordovician mass extinction - a total of 9 million years of graptoloid history.
2005) and the effects of Gondwana's breakup (Carle 1995) to studies of evolutionary rates (Hasegawa and Kasuya 2006); from the adaptive radiation of the endemic Hawaiian Megalagrion (Jordan et al.
Li (radiation oncology, Medical College of Wisconsin) provides 23 chapters for medical physicists, radiation oncologists, dosimetrists, and radiation therapists that contain information on adaptive radiation therapy (ART), which uses a feedback process to account for patient-specific anatomic and/or biological changes, providing highly individualized radiation therapy to cancer patients.
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