Quiz 2: Animal-like Protists
calcium carbonate
What is the main component of the tiny shells of the members of the phylum Actinopoda?
pellice
What structure is responsible for maintaining the consistent shape of a paramecium?
unborn babies
Which group of humans is likely to experience the most devastating symptoms of toxoplasmosis?
flagellum
Zooflagellates move by means of a whip-like structure called:
engulfed by the cell membrane, food vacuole
During phagocytosis, food particles are __________ and then digested in the __________.
Four new protozoans are created.
What is the final result of protozoan conjugation?
Cilia, moving food toward the oral groove of the organism
________________ are tiny hair-like structures on the outer surface of some protozoans that are used for motility and for ___________________________________________.
Trypanosoma cruzi
triatomine bug
Trypanosoma
tsetse fly
Giardia lamblia
water-borne cysts
Each paramecium has two nuclei.
What characteristic makes the cell of a paramecium exceptional compared to other eukaryotic cells?
entry and interaction with the host cell
What is a known function of the apical complex?
True
All eukaryotic cells contain a nucleus and a cytoplasm.
True
All species of the phylum Apicomplexa are parasitic.
motility and phagocytosis
Amoeboid protists use their pseudopodium for:
Fourth
Anal Pore
Third
Cell Cytoplasm
dysentery, houseflies, severe diarrhea
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.
Second
Gullet
They regulate water intake and excretion.
How do contractile vacuoles help a cell with homeostasis?
It creates daughter cells that are mirror images of each other.
How does longitudinal binary fission differ from other forms of binary fission?
the protozoan's living conditions deteriorated
If scientists noted that a protozoan developed a cyst, they could safely assume that:
fresh water lakes inside other organisms
In what locations does this text suggest you might find zooflagellates living?
True
Insect vectors can carry disease-causing organisms on their legs or mouthparts.
First
Oral Groove
symbiotic
Termites and Trichonympha have a ______________ relationship.
malaria
The Anopheles mosquito is the insect vector for _________.
True
The common name for foraminifers is radiolarians.
protozoans
The general name for all animal-like protists is
Leishmania donovani
phlebotimine sand fly