Animal-Like Protists

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All species of the phylum Apicomplexa are parasitic.

True

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

True

The common name for foraminifers is radiolarians.

True

1.Water-borne cysts 2.Phlebotimine sand fly 3.Triatomine bug 4.Tsetse fly

1.Giardia lamblia 2.Leishmania donovani 3.Trypanosoma cruzi 4.Trypanosoma

1.First 2.Second 3.Third 4.Fourth

1.Oral groove 2.Gullet 3.Cell cytoplasm 4.Anal pore

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

Calcium Carbonate

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

Cilia Moving food 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

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

Each paramecium has two nuclei.

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

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

Flagellum

What is the final result of protozoan conjugation?

Four new protozoans are created.

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

Fresh water lakes Inside other organisms

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

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

The Anopheles mosquito is the insect vector for _________.

Malaria

Amoeboid protists use their pseudopodium for:

Motility and Phagocytosis

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

Pellicle

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

Pregnant women

The general name for all animal-like protists is.....

Protozoans

Termites and Trichonympha have a__________relationship.

Symbiotic

All eukaryotic cells contain a nucleus and a cytoplasm.

True

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

The protozoan's living conditions deteriorated

How do contractile vacuoles help a cell with homeostasis?

They regulate water intake and excretion.


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