#Question id: 11503
#Unit 9. Evolution & Diversity of Life Forms
Which process allowed the nucleomorphs of chlorarachniophytes to be first reduced, and then (in a few species) lost altogether, without the loss of any genetic information?
#Question id: 11504
#Unit 9. Evolution & Diversity of Life Forms
Which organisms represent the common ancestor of all photosynthetic plastids found in eukaryotes?
#Question id: 11505
#Unit 9. Evolution & Diversity of Life Forms
An individual mixotroph loses its plastids, yet continues to survive. Which of the following most likely accounts for its continued survival?
#Question id: 11506
#Unit 9. Evolution & Diversity of Life Forms
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?
#Question id: 11507
#Unit 9. Evolution & Diversity of Life Forms
Which two genera have members that can evade the human immune system by frequently changing their surface proteins?
1. Plasmodium
2. Trichomonas
3. Paramecium
4. Trypanosoma
5. Entamoeba
#Question id: 11508
#Unit 9. Evolution & Diversity of Life Forms
Which of these taxa contains species that produce potent toxins that can cause extensive fish kills, contaminate shellfish, and poison humans?