Animal-Like Protists

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

calcium carbonate

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

All eukaryotic cells contain a nucleus and a ________ .

cytoplasm

Entamoeba histolytica is an amoebic protozoan which is responsible for a disease known as amoebic

dysentery

What is a known function of the apical complex?

entry and interaction with the host cell

How do contractile vacuoles help a cell with homeostasis?

They regulate water intake and excretion.

Termites and Trichonympha have a

symbiotic

The Anopheles mosquito is the insect vector for _________.

malaria

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

Each paramecium has two nuclei.

Amoeboid protists use their pseudopodium for:

motility and phagocytosis

Trypanosoma cruzi

triatomine bug

Trypanosoma

tsetse fly

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

unborn babies

Giardia lamblia

water-borne cysts

What is the final result of protozoan conjugation?

Four new protozoans are created.

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

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

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

engulfed by the cell membrane, food vacuole

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

flagellum

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

fresh water lakes inside other organisms

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.

houseflies, severe diarrhea

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

moving food toward the oral groove of the organism

A bacterium will travel through the structures of a paramecium in what order?

oral groove First gullet Second cell cytoplasm Third anal pore Fourth

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

The common name for foraminifers is ?

radiolarians

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

the protozoan's living conditions deteriorated