Which one of the following statements about diplomonads and parabasilids is false?
A)Absence of mitochondria in these groups is an ancestral trait.
B)Some members are parasitic,but some also engage in mutualism.
C)Both groups are in different clades.
D)Both groups are flagellated protists.
E)Both groups likely had early eukaryotic ancestors.

Question

Quizplus · Accepted Answer

The absence of mitochondria in these groups is not an ancestral trait. It is a secondary loss of mitochondria, which occurred in these groups independently. These groups likely had mitochondria in their early eukaryotic ancestor, but they lost them through a process called reductive evolution.

Which One of the Following Statements About Diplomonads and Parabasilids