Understanding Protists

What is the main controversy surrounding the classification of protists?

• They are only found in extreme environments.

• They are all multicellular organisms.

• They are too diverse to fit into one kingdom.

• They are too similar to bacteria.

Which of the following is NOT a group that protists are commonly divided into?

• Plant-like protists

• Bacteria-like protists

• Fungus-like protists

• Animal-like protists

What is a key characteristic of plant-like protists?

• They are all multicellular.

• They have chitin in their cell walls.

• They perform photosynthesis.

• They are heterotrophs.

Which phylum of plant-like protists is known for its silica-based cell walls?

• Bacillariophyta

• Euglenophyta

• Pyrrophyta

• Chlorophyta

What distinguishes fungus-like protists from true fungi?

• They can perform photosynthesis.

• They have chitin in their cell walls.

• They lack chitin in their cell walls.

• They are all unicellular.

Which phylum of fungus-like protists was responsible for the Great Potato Famine?

• Myxomycota

• Chlorophyta

• Oomycota

• Acraciomycota

What is the primary mode of movement for sarcodina, a type of animal-like protist?

• Flagella

• Cilia

• Pseudopodia

• None, they are immobile

Which animal-like protist is known for causing African sleeping sickness?

• Trypanosoma brucei

• Giardia duodenalis

• Naegleria fowleri

• Plasmodium malariae

What is the main characteristic of ciliophora, a type of animal-like protist?

• They move using cilia.

• They move using pseudopodia.

• They move using flagella.

• They are immobile.

Which disease is caused by the sporozoa protist Plasmodium malariae?

• Brain-eating disease

• Intestinal infection

• Sleeping sickness

• Malaria