Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..
Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..