The "Tree of Life" is a metaphorical representation of the interconnectedness of all living organisms on Earth. It illustrates how different species share common ancestors and evolve over time through the process of evolution. This concept is often depicted as a branching tree, where each branch represents a different species, and the trunk symbolizes the shared origins of life. In scientific contexts, the "Tree of Life" is used to categorize and understand the relationships between various forms of life, including plants, animals, and microorganisms. It helps researchers study biodiversity and the evolutionary history of species, providing insights into how life has adapted and diversified over millions of years.