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In our interactive tree of life you can explore the relationships between 2,235,473 species and wonder at 105,463 images on a single zoomable page. Each leaf represents a different species, and the branches illustrate how these many species evolved from common ancestors over billions of years.
The tree of life or universal tree of life is a metaphor, conceptual model, and research tool used to explore the evolution of life and describe the relationships between organisms, both living and extinct, as described in a famous passage in Charles Darwin's On the Origin of Species (1859).
The tree of life is one of the most important organizing principles in biology 1. Gene surveys suggest the existence of an enormous number of branches 2, but even an approximation of the full...
The tree of life is used to explain the relationships between the different species on Earth. From microorganisms to trees to fungi and animals, life has evolved through time down countless pathways to provide us with the marvelous present-day collection of different species.
The Tree of Life Web Project (ToL) is a collaborative effort of biologists and nature enthusiasts from around the world. On more than 10,000 World Wide Web pages, the project provides information about biodiversity, the characteristics of different groups of organisms, and their evolutionary history (phylogeny).
The tree of life is one of the most important organizing principles in biology. The tree provides a shared frame of reference for the diversity of life on Earth, and it grows with our...
The tree of life is one of the most important organizing principles in biology. The tree provides a shared frame of reference for the diversity of life on Earth, and it grows with our...
The study of evolutionary lineages involves analyzing biodiversity over time. Phylogenetic systematics are a method to study the tree of life. By examining unique features in organisms, scientists can trace shared evolutionary histories and relationships.
The tree of life is still a source of insight into evolutionary history, as attested to by the recent debate on the archaeal roots of eukaryotes 61. It also remains a powerful tool for classification.
Now you can, thanks to the newly released Open Tree of Life, which knits together more than 500 family trees of various groups of organisms to create a supertree with 2.3 million species. Researchers have already begun to put these new data to work toward a better understanding of life on Earth.