Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..
Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..
In this tutorial, the works of Carl Gustav Jung and Sigmund Freud are described. Both of them actively pursued the way h..
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..
