Start learning →

R. H. Whittaker proposed the 5-Kingdom classification system in:

A$1859$
B$1900$
C$1953$
D$1969$
Answer & Solution
Correct answer: D. $1969$
R. H. Whittaker proposed the 5-Kingdom classification in 1969: Monera, Protista, Fungi, Plantae, Animalia. Based on cell type, body organisation, mode of nutrition.
Practise this question with Quill — AP Biology →

Keep practising Unit 7A: Natural Selection & Evolutionary Mechanisms

Browse all Unit 7A: Natural Selection & Evolutionary Mechanisms questions for AP Biology, or explore more Biology topics.

Start a Unit 7A: Natural Selection & Evolutionary Mechanisms lesson →