LIFE SCIENCE

Detailed explanation-1: -In science the tree of life is often used as a metaphor for the connection between the diversity of all life on Earth. Every organism on Earth appears to descend from a single common ancestor that existed roughly 3.5 billion years ago.

Detailed explanation-2: -According to the Genetic Annealing Model of the universal ancestor, the phylogenetic tree our life on earth started from “progenotes” as loosely knitted group of primitive cells that evolved and survived as a single entity via exchanging of genes and metabolic materials.

Detailed explanation-3: -The concept of the tree of life may have originated in Central Asia, and absorbed by other cultures, such as Scandinavian mythology and Altai shamanism.

Detailed explanation-4: -A tree contains both new and old twigs and branches. The most flourishing ones, in this instance, represent the most current species, while the older branches depict the species that have become extinct for any various reasons.

Detailed explanation-5: -The tree of life represents the afterlife, and connection between the earth and heaven. The bond and affection to trees is so deep that Celts believed the actual trees were their ancestors, gatekeepers to the Celtic Otherworld. As such, the tree of life in Celtic Culture is sacred.