16. The algae Chlamydomonas demonstrates a complex life cycle that switches between haploid and diploid forms. This life cycle is called

A. the sexual-asexual exchange
B. the transposition cycle
C. an alternation of generations
D. algal transformation

17. The number of flagella produced by motile cells in

A. members of the Rhodophyta is greater than members of the Phaeophyta
B. members of the Phaeophyta is greater than members of the Rhodophyta
C. members of the Rhodophyta is exactly or approximately equal to members of the Phaeophyta
D. none of the above

18. Algae are classified into 6 groups, technically known as

A. categories
B. divisions
C. genera
D. domains

19. The __________ is the vegetative body of algae.

A. mycelium
B. plasmodium
C. pseudoplasmodium
D. thallus

20. Agar, which is the solidifying agent in many bacterial culture media, is part of the cell wall of

A. Chlorophyta
B. Chrysophyta
C. Pyrrophyta
D. Rhodophyta