Biology is the science of life. It is concerned with the characteristics and behaviors of organisms; how individuals come into existence, and how species evolve; and the interactions they have with each other and with their environment. Biology encompasses a broad spectrum of academic fields that are often considered independent disciplines, many of which are listed below as subcategories.

<categorytree>Biology</categorytree>be-x-old:Катэгорыя:Біялёгія