This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Ernst Haeckel Tree of Life. en The first sketch of the famous Heackel's Tree of Life which shows Pithecanthropus alalus as the ancestor of Homo sapiens my archive creator Ernst Haeckel Phylogenetic tree of life by Ernst Haeckel PDold
Page 2023 Free-images.com. All images are Public Domain