Exam 26: Protists

Members of which protist group is one of the fossilized deposits in the unique geological formation of the White Cliffs of Dover?

Which protist group is characterized by having a micronucleus and a macronucleus?

Red tides are caused by red algae . _________________

Figure 26-3 Refer to the accompanying figure. Which protist group's life cycle is demonstrated in this figure?

Ancestors of ____ may have possessed mitochondria, which were lost or reduced during evolutionary history.

Coccolithophorids are marine members of the brown algae . ________________

Members of the ____ are thought to have given rise to plants.

Which protist group does not have flagellated cells?

Figure 26-2 Refer to the accompanying figure. What is the process occurring in the cells labeled as 6?

Figure 26-1 Refer to the accompanying figure. What is the function of the structure labeled as 4?

You find a protist that has a single flagellum surrounded by a collar of microvilli. You correctly conclude that this organism is a(n):

Amoebozoans move by means of flagella . _______________

The stramenopiles include water molds, diatoms, golden algae, and brown algae. ____________________

Figure 26-3 Refer to the accompanying figure. What is occurring at point 1 of this life cycle?

Explain why choanoflagellates are thought to be of particular evolutionary importance.

Which protist is responsible for late blight of potatoes, the cause of the Irish potato famine in the mid 19th century?

You find a unicellular organism that forms lobe-like pseudopodia. When you expose the cells to cAMP, they aggregate into a slug like structure. Based on this information, you correctly conclude that this organism is known as:

Which protist groups consists of individuals who often have intracellular shells of interlocking plates?

Which type of protist is responsible for malaria in humans, parasitic to both humans and mosquitoes?

Members of the ____ move via pseudopodia.