Exam 20: The Diversity of Protists

Which group is the critical foundation of marine food webs?

One of the techniques for controlling the spread of malaria is to drape netting over the bed. Why would this prevent the spread of malaria?

Which of the following best describes the protists as a group?

Some protists, such as amoebas, rely on finger-like projections called ________ for capturing prey and moving.

Which of the following is a characteristic of the organism that causes malaria?

Cyanobacteria and phytoplankton are both:

Explain the difference between a plasmodium and Plasmodium.

Protists that lack mitochondria are:

Which group has caused such agricultural problems as downy mildew, potato blight, and an avocado disease?

The group of protistan aquatic organisms known generally as ________ produces most of the world's oxygen.

Protist photosynthesis relies on:

Beavers are major carriers of Giardia, a ________ that can cause severe diarrhea in people who drink water that contains the organism's cysts.

Organisms with pseudopods can surround other organisms and trap them in a ________ for digestion.

Anaerobic, flagellated protists like Trichomonas are grouped as ________.

The ________ include brown algae and diatoms.

The active, feeding form of a(n)________ is a thin, multinucleate plasmodium.

A ________ forms when an acellular slime mold is exposed to dry conditions or starvation.

A flagellated protist lives inside the guts of termites and enables the termites to digest the cellulose in wood as a food source. This protist belongs to the:

Protists that absorb nutrients from dead organic matter are:

Giardia is found in fresh water and causes an intestinal infection in mammals. True or False?