Ecology of Protists

Review Questions

An example of carbon fixation is _____________.

  1. photosynthesis
  2. decomposition
  3. phagocytosis
  4. parasitism

Hint:

A

Which parasitic protist evades the host immune system by altering its surface proteins with each generation?

  1. Paramecium caudatum
  2. Trypanosoma brucei
  3. Plasmodium falciparum
  4. Phytophthora infestans

Hint:

B

Which of the following is not a way that protists contribute to the food web?

  1. They fix carbon into organic molecules.
  2. They occupy the apex producer niche.
  3. They enter symbiotic relationships with animals.
  4. They recycle nutrients back into the carbon and nitrogen cycles.

Hint:

B