What was Ernst Haeckel's contribution to biology?
Discovering DNA
The theory of gravity
Coined terms in biology, naming species, mapping a genealogical tree
Inventing the microscope
Answer
Ernst Haeckel was a German biologist who is considered to be one of the fathers of ecology and evolutionary theory. He coined the terms ecology, phylum, and ontogeny, and he was the first person to map out a genealogical tree of all life on Earth.
Exploring the Extraordinary: The Remarkable Life of Ernst Haeckel
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