The wood was also identified based on its wood anatomy with three slice forms of ramin wood in transversal, radial, and tangential sections, as seen in Fig. 2. The observation under the microscope on a slice of ramin wood showed that the wood grain (texture) had a straight direction and ...
Rinn, F. Holzanatomische Grundlagen mechanischer impuls - Tomographie an Baumen [Wood anatomy background through mechanical pulses - tomografy of trees]. Allg. Forstwirtsch. 8, 450–456 (2003). Google Scholar Gilbert, E. A. & Smiley, E. T. Picus sonic tomography for the quantification...
Instructor David Wood David has taught Honors Physics, AP Physics, IB Physics and general science courses. He has a Masters in Education, and a Bachelors in Physics.Cite this lesson Papers, peer review, conferences, and fisticuffs. Learn the various ways that scientists communicate their ...
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this is reminiscent of the period in the middle ages when the teachings of galen’s ideas of anatomy and physiology were held with an iron hand, and igaz semmelweis (1818-1865) was harassed and punished for questioning hospital unsanitary practices that were responsible for the deaths of tens...
Varroa is an exquisitely-adapted parasite of the bee, with every aspect of its anatomy and behavior fine-tuned by evolutionary trial and error for survival in the unfriendly (but resource-rich) environment of the bee colony. Photo by Gilles San Martin....
It deprives the molecular factology of its priority status and overcomes a kind of traditional adultocentrism in the consideration of organismal anatomy [212]. It is evident that the evo-devo research program is not universal: its application is limited to the groups of multicellular organisms ...
of 36 items, and participants were instructed to name as accurately and rapidly as possible from left to right in each row, and from top to bottom for all rows. Before each stimulus type, a practice row of nine symbols was completed by all participants to ensure comprehension of task ...
leaves and secondary wood, and by late Devonian times seeds had evolved.[2] Late Devonian plants had thereby reached a degree of sophistication that allowed them to form forests of tall trees. Evolutionary innovation continued after the Devonian period. Most plant groups were relatively unscathed by...
of insects, in contrast, are preserved as three-dimensional, permineralized, and charcoalified replicas; and as inclusions in amber and even within some minerals. There is also abundant fossil evidence for the behavior of extinct insects, including feeding damage on fossil vegetation and in wood,...