28.2 Excavates include protists with modified mitochondria and protists with unique flagella

Question 1

9) Which of these was not derived from an ancestral alpha proteobacterium?
A) chloroplast
B) mitochondrion
C) hydrogenosome
D) mitosome
E) kinetoplast

Answer 1

A) chloroplast

Question 2

10) A biologist discovers a new unicellullar organism that possesses more than two flagella and
two small, but equal-sized, nuclei. The organism has reduced mitochondria (mitosomes),
no chloroplasts, and is anaerobic. To which clade does this organism probably belong?
A) monera
B) the diplomonads
C) the ciliates
D) protista
E) the euglenids

Answer 2

B) the diplomonads