[Campbell Biology P.647] Based on Figure 28.5, which of the following groups, highlighted in... | Practice Question

Based on Figure 28.5, which of the following groups, highlighted in yellow as formerly classified in the kingdom Protista, belongs to the Excavata supergroup and is characterized by having highly reduced mitochondria?

  • A: Euglenozoans
  • B: Diplomonads
  • C: Diatoms
  • D: Animals

Explanation

The phylogenetic tree shows Diplomonads as a clade within the Excavata supergroup. The text box for Excavata explicitly states that 'Two major clades the parabasalids and diplomonads have highly reduced mitochondria.' Diplomonads are also highlighted in yellow, indicating their former classification as protists.