Exam 28: Protists

Organisms that are characterized by being unicellular,photosynthetic,and having double shells made of silica are known as

The tropical diseases such as African sleeping sickness,Chagas disease,and leishmaniasis are caused by

Some protist cell surfaces have ________,including silica or calcium carbonate.

Which one of the following statements about the trypanosome causing African sleeping sickness does not explain why the disease has been difficult to control?

In addition to the true amoebas (Rhizopoda),another group with pseudopods are the

A common characteristic of Choanoflagellida is

The members of ________ include dinoflagellates,apicomplexans,and ciliates.

Conjugation in most ciliates involves a series of steps that leads to increased genetic diversity.Which one of the following choices is not one of those steps?

What would be strong evidence to suggest a protist is phagotrophic?

Sponges (phylum: Porifera)are animals that possess feeding cells called collar cells.These cells have a central flagellum surrounded by a collar of microvilli.The collar filters organic matter out of the water column.Which protist shares a more recent common ancestor with the poriferans?

Which of the following statements would not be consistent with the theory for the endosymbiotic origin of mitochondria and chloroplasts?

How do protists provide evidence for the step-wise evolution of mitosis?

The common characteristic of Alveolata is

Trypanosomiasis is spread by

The most diverse of the four eukaryotic kingdoms is the

The ________ are a group within the Euglenozoa that have a unique,single mitochondrion.

Vacuoles for ingesting food and regulating their water balance are characteristic of

What would be strong evidence to suggest a protist is phototrophic?

Members of the Euglenozoa move within their habitats with the aid of

Protist locomotion is accomplished by the contraction of muscle fibers.