Protozoa Flashcards
1
Q
What does commensualism mean?
A
One organism benefits the other is unaffected.
2
Q
What are the 2 groups of endoparasites?
A
- Protozoa.
- Helminths.
3
Q
What are the 2 groups of ectoparasites?
A
- Insects.
- Arachnids (ticks + mites).
4
Q
What are the 5 steps of the parasite pathway?
A
- Transmission.
- Entry.
- Multiplication.
- Damage.
- Exit.
5
Q
Give 2 types of life-cycle?
A
- Direct - straight forward transmission.
- Indirect - uses a vector.
6
Q
What does transmission mean?
A
Method of moving from one organism to another.
7
Q
How are different protozoa identified?
A
Morphology - under microscope.
8
Q
How are protozoa generally transmitted?
A
- Arthropods.
- Fecal-oral.
9
Q
Give 4 methods of protozoa locomotion?
A
- Pseudopodia - cytoplasmic extentions.
- Flagellae (can form undulating membrane).
- Cilia.
10
Q
Give 2 morphological features that enables protozoa to eat?
A
- Cytostomes.
- Trypanosomes.
11
Q
What 2 methods of asexual reproduction do protozoa use?
A
- Sporogony - within oocyte.
- Binary fission.
12
Q
What are the 2 classes of protozoa?
A
- Sarcomastigophera.
- Sporozoa.
13
Q
How are protozoa controlled?
A
- Chemotherapy.
- Controlling Vector.
14
Q
What does sporogony mean?
A
Asexual formation of spores in sporozoans (sub-class of protozoa)
