The nutritional environment of developing animals can generate dramatic variation in body size and shape, as well as in their developmental time. (journals.plos.org)
If problems are identified, or if there are dramatic variations across classrooms or schools, they can often be addressed with additional teacher training or support. (cfchildren.org)
The new research demonstrates how evolutionary changes occurring at the molecular level can lead to dramatic variations in the shape of species. (archive.news.indiana.edu)