Exam 21: The Diversity of Protists

Paralytic shellfish poisoning is caused by the group of protists known as _________.

Protist photosynthesis relies on

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)

Protists that have two nuclei are classified as

Organisms with pseudopods can surround other organisms and trap them in a_________for digestion.

The first protist chloroplast was likely to have been a(n)

Oomycetes are primarily_________ that destroy crops such as grapes and potatoes.

A parasitic protist that presents a major health problem to backpackers and hikers if they drink unfiltered stream or lake water is

Which group has silica shells similar to those of diatoms?

What is required to get a cellular slime mold to form a pseudoplasmodium?

Which organism caused the disease that destroyed potato crops and led to the Irish potato famine in the mid-1800s?

Which protist group includes the water molds, diatoms, and brown algae?

Both Trichomonas and Giardia are parasitic protists in the group called

Both Didinium and Paramecium are protists in the group called

When a red tide occurs, huge numbers of microscopic organisms are filtered out of coastal waters by oysters and clams. This sometimes causes the shellfish to become toxic to people who eat them. The organisms that create the red tide are classified as

The _________algae are an important source of carrageenan, which is used to thicken paints, cosmetics, and ice cream.

Alveolates are characterized by pseudopods and silica shells.

In rhizarians, the _________extend through a calcium carbonate or silica shell.

While exploring a newly exposed shoreline, you find a new protist. It appears to be multicellular, it uses carbon dioxide from the air to carry out photosynthesis, and its chloroplasts closely resemble those of ferns and grasses. This organism is most likely to belong to the group

By what mechanism(s) do protists reproduce?