Exam 20: The Diversity of Protists

The organisms in the photo are:

What characteristic do the organisms in the photos share?

Which group of photosynthetic, mostly marine protists were named for the motion created by their two whip-like flagella?

After a meal of raw oysters, a woman begins to feel numbness and tingling in her hands and feet. By the time she gets to the hospital, she can no longer move and is having difficulty breathing. The lab finds a protist with two flagella. The organism is a(n):

The protists include photosynthetic, parasitic, and pathogenic species. True or False?

What organisms are classified as protists?

Which unicellular protists have silica shells consisting of top and bottom halves that fit together like pillboxes?

Organisms in which protist group can reach heights of hundreds of feet and grow more than half a foot per day?

The protist characterized by a silica shell and thread-like pseudopods is a(n):

The protists are a group that can best be defined as "any eukaryote that is not a plant, animal, or fungus." True or False?

Which of the following may be parasitic in humans?

Diplomonads have two nuclei and move via flagella. True or False?

Which of the following is considered to be most closely related to plants?

Plasmodial slime molds are described as acellular because they:

A woman develops liver inflammation, a high fever, and a severe decline in red blood cell numbers. Her blood is filled with a parasitic, single-celled organism. When asked about any recent travel, she tells the nurse about her trip to a tropical rain forest. It was a great trip except for the huge number of mosquitoes that bit her. She is probably infected with:

Protists:

Which cell structure is missing in Trichomonas and Giardia?

The most complex group of unicellular protists is the ________.

Which protozoan group consists entirely of parasitic forms?

________ are photosynthetic protists.