Exam 20: The Protists

All protists have ____.

Which organism has a structure made of microtubules that allows it to penetrate its host?

Which species causes the waterborne disease giardiasis?

Slime molds are classified as ____.

Amoebozoans are heterotrophic protists with cells that lack ____; therefore, they can constantly change shape.

Paramecium is a representative of the ____.

Match the group with the most appropriate description. Answers may be used more than once. -cellular slime mold

Cells of a ____ organism live together, but remain self-sufficient.

Four of the five answers listed below are protist structures. Select the exception.

Sources for alginic acid, a thickening, emulsifying agent found in ice cream, toothpaste, pudding and cosmetics, are the ____.

Foraminiferan and radiolarian lineages are related, but different in that one ____ and the other ____.

Phytoplankton forming the base of aquatic food chains contains ____.

Nori, used to wrap sushi, is ____.

The pellicle of protozoa is most directly involved in ____.

Match the group with the most appropriate description. Answers may be used more than once. -diatoms

What is a colonial green algae that forms the whirling spheres found in fresh water?

The simplest of the eukaryotes are the ____.

Match the group with the most appropriate description. Answers may be used more than once. -Porphyra

Gut-dwelling ____ help cattle, sheep and related grazing animals break down ____ in plant material.

Which amoebozoan spends most of its life cycle as a multinucleated mass that streams along surfaces, feeding on microbes and organic matter?