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Which new kingdom did Copeland add in the Four-Kingdom Classification System?

Answer and explanation

Correct answer: Monera

Correct answer: B, Monera. Copeland's four-kingdom classification separated prokaryotic organisms from eukaryotic organisms by recognising Monera as a distinct kingdom. Monera included organisms such as bacteria and cyanobacteria, whose cells lack a true membrane-bound nucleus. A, Protista, had already been introduced in the three-kingdom system associated with Haeckel, so it was not the new kingdom added by Copeland. C, Fungi, became a separate kingdom in Whittaker's five-kingdom system, so it is a common confusion. D, Plantae, was already part of earlier systems. The historical sequence helps: two kingdoms—Plantae and Animalia; three kingdoms—Protista added; four kingdoms—Monera added; five kingdoms—Fungi separated as its own kingdom. Memory cue: Copeland added the prokaryotic kingdom Monera.

Related tags

Four-Kingdom ClassificationCopelandMoneraProkaryotesBiodiversityAnd Classification SystemsBiodiversity And Classification SystemsThe Living WorldBiology

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