Ancestors of ____ may have possessed mitochondria, which were lost or reduced during evolutionary history.
A) Paramecium
B) Laminaria
C) Amoeba
D) Euglena
E) Giardia

Question

Quizplus · Accepted Answer

Giardia, a protozoan parasite, is believed to have had ancestors that once possessed mitochondria, which were either lost or greatly reduced through its evolutionary history. This is supported by molecular evidence suggesting a reductive evolution of mitochondrial-related organelles in Giardia.

Ancestors of ____ May Have Possessed Mitochondria, Which Were Lost