Description of Cytoprotection. Cytoprotection: protection of a cell against harm or harmful agents by chemicals or biologicals. Cytoprotection: The process by which chemical compounds provide protection to cells against harmful agents.
Systematic Desensitization. Systematic desensitization is a type of behavioral therapy based on the principle of classical conditioning. It was developed by Wolpe during the 1950s. This therapy aims to remove the fear response of a phobia, and substitute a relaxation response to the conditional stimulus gradually using counter conditioning.
All life on Earth is united by evolutionary history; we are all evolutionary cousins  twigs on the tree of life. Phylogenetic systematics is the formal name for the field within biology that reconstructs evolutionary history and studies the patterns of relationships among organisms. Unfortunately, history is not something we can see. It has only happened once and only leaves behind clues as to what happened.