Exam 21: The Diversity of Protists

_________are photosynthetic protists.

The organisms in the photo belong to the group

Which of the following is eukaryotic, usually acts as a producer in its ecosystem, and spins via its flagella?

Protists that lack mitochondria are

Euglenids have functional eyespots that can discern all colors of visible light and the movement of predators.

The protists make up an inadequately defined and poorly organized group that biologists will likely reorganize.

Which group is characterized by gritty, glassy, protective shells?

A protist that lives inside a host organism and absorbs nutrients from that living host is

A shift in weather patterns causes a drought. The normally moist forest becomes dry, with the leaf litter on the forest floor blowing away in high winds. The creek, which normally overflows and floods the forest floor every time it rains, dries up. What would you expect to happen to the slime molds that live in the area?

Which cell structure is missing in Trichomonas and Giardia?

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

Some protists can cause sexually transmitted diseases in humans.

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

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

The protists include photosynthetic, parasitic, and pathogenic species.

The foundation of a marine food chain is

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

Malaria is caused by a protist that is transmitted by the bite of a(n) _________.

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

The process in which photosynthetic bacteria were engulfed by a large cell and formed chloroplasts is called _________.