This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..
The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..