Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..
Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..
Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..