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Birds have iron-containing materials in their upper beaks. There is some evidence that this provides a magnetic sense, mediated by the trigeminal nerve , but the mechanism is unknown. Cartilaginous fish including sharks and stingrays can detect small variations in electric potential with their electroreceptive organs, the ampullae of Lorenzini .
Magnetoencephalography (MEG) is a functional neuroimaging technique for mapping brain activity by recording magnetic fields produced by electrical currents occurring ...
This is a list of species of plants and animals protected by Appendix I of the Convention on International Trade in Endangered Species of Wild Fauna and Flora, commonly abbreviated as CITES. There are no fungi listed in any appendix. [1] List of species protected by CITES Appendix II; List of species protected by CITES Appendix III
Pages in category "Magnetoencephalography" The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes. ...
Kennard, H., List of Trees, Shrubs, Vines and Herbaceous Plants, native to New England, bearing fruit or seeds attractive to Birds (Reprint from Bird-Lore, v. XIV, no. 4, 1912) XIV, no. 4, 1912) McAtee, W. L., Plants useful to attract Birds and protect Fruit , (Reprint from Yearbook of Agriculture 1898)
Of specific interest is using structural and functional magnetic resonance imaging (fMRI), diffusion MRI (dMRI), magnetoencephalography (MEG), electroencephalography , positron emission tomography (PET), Near-infrared spectroscopy (NIRS) and other non-invasive scanning techniques to map anatomy, physiology, perfusion, function and phenotypes of ...
[1] Bird food can vary depending upon dietary habits and beak shapes. Dietary habits refer to whether birds are naturally omnivores, carnivores, herbivores, insectivores or nectarivores. The shape of the beak, which correlates with dietary habits, is important in determining how a bird can crack the seed coat and obtain the meat of the seed. [2]
The flowers are 9–12 mm long and produced in a cluster of 1–11 together at the apex of the inflorescence, which is a raceme. [5] It flowers between early summer and mid autumn; plants that flower in summer are yellow and sparsely hairy, while those that flower in autumn are red and densely hairy. These two color "forms" overlap in flowering ...