Biology: Quiz 2: Animal-Like Protists

What is the main component of the tiny shells of the members of the phylum Actinopoda?

calcium carbonate

Which group of humans is likely to experience the most devastating symptoms of toxoplasmosis?

unborn babies

Termites and Trichonympha have a...relationship.

symbiotic

If scientists noted that a protozoan developed a cyst, they could safely assume that:

the protozoan's living conditions deteriorated

Trypanosoma cruzi

triatomine bug

Giardia lamblia

water-borne cysts

Amoeboid protists use their pseudopodium for:

motility and phagocytosis

oral groove

First

What structure is responsible for maintaining the consistent shape of a paramecium?

pellicle

Leishmania donovani

phlebotimine sand fly

The general name for all animal-like protists is

protozoans

Trypanosoma

tsetse fly

All species of the phylum Apicomplexa are parasitic.

True

Insect vectors can carry disease-causing organisms on their legs or mouthparts.

True

Zooflagellates move by means of a whip-like structure called:

flagellum

What characteristic makes the cell of a paramecium exceptional compared to other eukaryotic cells?

Each paramecium has two nuclei.

What is the final result of protozoan conjugation?

Four new protozoans are created.

anal pore

Fourth

How does longitudinal binary fission differ from other forms of binary fission?

It creates daughter cells that are mirror images of each other.

gullet

Second

Describe conjugation between two paramecium.

The two cells come together and exchange genetic material that goes into the daughter cells helping them survive in harsh environments.

How do contractile vacuoles help a cell with homeostasis?

They regulate water intake and excretion.

cell cytoplasm

Third

All eukaryotic cells contain a nucleus and a cytoplasm.

True

The common name for foraminifers is radiolarians.

True

...are tiny hair-like structures on the outer surface of some protozoans that are used for motility and for...

cilia, moving froward toward the oral groove of the organism

During the Plasmodium life cycle, the asexual portion is responsible for the...of malaria. The sexual portion releases the...into the human blood stream.

clinical symptoms, spores

Entamoeba histolytica is an amoebic protozoan which is responsible for a disease known as amoebic.... Cysts formed by Entamoeba histolytica can live outside the human body and may contaminate water or be carried by.... Symptoms include....which can lead to death if not treated.

dysentery, houseflies, severe diarrhea

During phagocytosis, food particles are __________ and then digested in the __________.

engulfed by the cell membrane, food vacuole

What is a known function of the apical complex?

entry and interaction with the host cell

In what locations does this text suggest you might find zooflagellates living?

fresh water lakes, inside other organisms

The Anopheles mosquito is the insect vector for _________.

malaria