Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..
Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..
Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..
This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the grow..
The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..
If the balance of nature is left untouched, landscapes can change dramatically over time. A previous ecosystem is supers..