asked 16.8k views
3 votes
Who was the scientist who first proposed that all single-celled organisms should be put into their own kingdom?

Anton van Leeuwenhoek

Charles Darwin

Carolus Linnaeus

Ernst Haeckel

1 Answer

0 votes
Ernst Haeckel (1866) created a third kingdom for all single-celled organisms.
answered
User Dalton Pereira
by
8.0k points
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