The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..
This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..
This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..