Lower division coursework refers to courses that are designed for a freshman or sophomore at a four year institution of higher learning. Lower division coursework often consists of core courses that are designed to provide a foundation of knowledge and processes upon which future, more specific, courses may build. Due to the high rate of attrition and the less specific nature of many lower division courses, they often contain significantly higher numbers of students than upper division courses do. Upper division courses are much more narrow in scope and contain quite a bit more specific information. They are typically reserved for students with a Junior or Senior standing. Students in upper division courses can be expected to do more writing than those in lower division courses. Group work and projects are also much more likely in upper division coursework.
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Upper-division coursework typically refers to courses taken during the final two years of an undergraduate program, where students focus on more advanced and specialized topics within their major. Lower-division coursework, on the other hand, usually refers to introductory courses taken in the first two years of undergraduate studies that provide foundational knowledge in various subjects.
A light microscope uses visible light to magnify and view specimens, offering lower magnification and resolution compared to a scanning electron microscope (SEM) which uses a focused beam of electrons to image the sample, providing higher magnification and resolution. SEM can produce 3D images of the sample surface while light microscopes typically provide 2D images.
Upper one is maxilla and lower one is mandible
Class and phylum are both ranks in the taxonomic classification system used to group organisms based on their similarities. Phylum is a higher taxonomic rank that includes multiple classes, while class is a lower rank that includes organisms with more specific shared characteristics. In other words, a phylum is a broader category that encompasses multiple classes within it.
Racemose inflorescence has an indeterminate main axis that grows indefinitely, with flowers on lateral stems or branches, while cymose inflorescence has a determinate main axis that stops growing once the terminal flower blooms, with lower or lateral flowers blooming first.
The scientific name for the lower jaw is the mandible. It is a bone that forms the lower part of the skull and is involved in functions such as chewing and speaking.