What did Haeckel map a genealogical tree for?
Plant species
Domesticated animals
All life forms
Human races
Answer
Haeckel was a German biologist who created the first genealogical tree of all life forms. He believed that all life forms were related and that they had evolved from a common ancestor. His tree was based on his observations of the similarities between different species of animals and plants.
Exploring the Extraordinary: The Remarkable Life of Ernst Haeckel
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