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.
Each book is assigned a color coded level. Level 1 (preK-1st grade) is for beginning readers. Level 2 (1st-3rd grade) is reading with help. Level 3 (2nd-4th grade) is for reading alone. Level 4 and the chapter books are for 3rd grade+, and are for advanced readers. These readers contain actual stories that children will enjoy, rather than simple words strung together. They are books that children can, as they claim, read, and that they will read over and over.