This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..