[Campbell Biology P.643] The text states that the Kingdom Protista has been 'abandoned'. Wha... | Practice Question

The text states that the Kingdom Protista has been 'abandoned'. What is the most significant biological implication of this abandonment?

  • A: It implies that all organisms previously classified as protists are now reclassified as plants, animals, or fungi.
  • B: It reflects the understanding that protists do not form a single, evolutionarily coherent group, but rather represent multiple distinct lineages.
  • C: It means that protists are now considered prokaryotes due to their simple cellular structure.
  • D: It suggests that protists are less important in the tree of life than previously thought.

Explanation

The text explicitly states: 'As a result, the kingdom in which all protists once were classified, Protista, has been abandoned, and various protist lineages are now recognized as major groups in their own right.' This directly indicates that Protista was not a single, coherent evolutionary group.