Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..