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The ancestors of the modern-day manatee were a species of
HMS Beagle
A British Royal Navy ship on which Charles Darwin made his famous voyage, providing key observations that led to the development of his theory of natural selection.
Darwin
Charles Darwin, a 19th-century naturalist best known for his contributions to the theory of evolution through natural selection.
Galápagos Island Finches
A group of about 15 species of finches from the Galápagos Islands, known for their varied beak shapes and sizes, which inspired Charles Darwin's theory of natural selection.
Three-Domain System
A classification system in biology that divides cellular life forms into three domains: Archaea, Bacteria, and Eukarya.
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