Introduction to evolution. Evolution is the process of change in all forms of life over generations, and evolutionary biology is the study of how evolution occurs. Biological populations evolve through genetic changes that correspond to changes in the organisms' observable traits. Genetic changes include mutations, which are caused by damage or replication errors in organisms' DNA. As the genetic variation of a population drifts randomly over generations, natural selection gradually leads traits to become more or less com
According to Universe of Symbolism, the butterfly is a sign of spiritual growth. The animal embodies the principle that there are times in life where the past must be done away with so that new life can begin. Butterflies can also be a symbol of beauty and grace. Feminine energy is also represented by the butterfly. The animal teaches the magic of believing. Universe of Symbolism also asserts that Reiki healing is symbolized by the butterfly.
Butterflies are symbols of transformation or rebirth. A brown butterfly symbolizes the resurrection or important news. The symbolic meaning of a butterfly can vary by cult â¦ ure. What is the symbolic meaning of a green butterfly? Butterfly is taken as a symbol of transformation in many cultures.