Vivisection is the practice of cutting into or using invasive techniques on live animals. The term is derived from the Latin word vivus, which means alive. Vivisection is commonly called animal experimentation and includes the use of animals for research, product testing and in education.evertheless, the National Institute of Health, which is funded by our tax dollars, has spent over $10 million on chimpanzee AIDS research and plans to spend at least an additional $4.5 million.
Definition of dimorphic. 1  1a : dimorphous 1b : occurring in two distinct forms dimorphic leaves sexually dimorphic coloration in birds. 2  2 : combining qualities of two kinds of individuals in one.
Darkness is a symbol of evil or mystery or fear.The darkness is almost a monster waiting to swallow you whole.It is the absence of light. Scientifically it is only possible to have a reduced amount of light.The emotional response to an absence of light has inspired metaphor in literature, symbolism in art, and emphasis.The story of the Light versus the Darkness is one that everyone thinks that they know. The Light is good and the Dark is bad.oetic Edit. As a poetic term, darkness can also mean the presence of shadows, evil, or depression. Darkness can have a strong psychological impact. It can cause depression in people with seasonal affective disorder, fear in nyctophobics, comfort in lygophilics, or attraction as in gothic fashion.