What Are the Main Features of Single-celled Protists?
1. In the modern taxonomic system how many supergroups of protists are there? Which
two of these groups are of special interest to us and why?
2. Describe 3 ways in which protists can move and give a specific example of each.
3. Indicate the type of external covering (including its composition) found in each of the
following protists:
dinoflagellates
radiolarians
foraminiferans
coccoliths
4. Indicate several means of acquiring nutrients found in various protists. What is the
role of phagocytosis?
5. Compare asexual and sexual reproduction in a flagellated protist. How (and where) in
the sexual cycle to "mating" and meiosis occur?
6. Indicate the role of the following in reproduction of protists:
conjugation in ciliated protists
formation of cysts