Characteristics of Protists

Review Questions

Protists that have a pellicle are surrounded by ______________.

  1. silica dioxide
  2. calcium carbonate
  3. carbohydrates
  4. proteins

Hint:

D

Protists with the capabilities to perform photosynthesis and to absorb nutrients from dead organisms are called ______________.

  1. photoautotrophs
  2. mixotrophs
  3. saprobes
  4. heterotrophs

Hint:

B

Which of these locomotor organs would likely be the shortest?

  1. a flagellum
  2. a cilium
  3. an extended pseudopod
  4. a pellicle

Hint:

B

Alternation of generations describes which of the following?

  1. The haploid form can be multicellular; the diploid form is unicellular.
  2. The haploid form is unicellular; the diploid form can be multicellular.
  3. Both the haploid and diploid forms can be multicellular.
  4. Neither the haploid nor the diploid forms can be multicellular.

Hint:

C

The amoeba E. histolytica is a pathogen that forms liver abscesses in infected individuals. Its metabolic classification is most likely ______.

  1. Anaerobic heterotroph
  2. Mixotroph
  3. Aerobic phototroph
  4. Phagocytic autotroph

Hint:

A