Onychogryphosis, also known as âramâs horn nails,â is a condition in which the toenails become thickened and the curve of the nails becomes more severe, making them difficult to cut and causing them to grow into a long, curved shape resembling a ramâs horn.
Scientific taxonomy. Basic level categories, or generic level categories, are those categories in a folk taxonomy which are most culturally salient, and meet our basic cognitive needs the best.cientific taxonomy. Basic level categories, or generic level categories, are those categories in a folk taxonomy which are most culturally salient, and meet our basic cognitive needs the best.
The major levels of classification are: Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species. Note the format of each name carefully. Named, intermediate categories (subkingdom, subphylum, etc.) may also be tested. 1  kingdom Animalia.