Intro to Protozoa Flashcards
1
Q
what is a protozoa?
A
single-celled eukaryote
2
Q
why has the term protozoa fallen out of favor?
A
“catch-all term”
3
Q
what are the different stages of protozoa?
A
- zoite
- cyst
- ont
4
Q
what is -zoite?
A
motile form
5
Q
what is -cyst?
A
resting transmissible form
6
Q
what is -ont?
A
reproductive form that produces -zoites
7
Q
what are the forms of reproduction?
A
- asexual (binary fission or multiple fission)
- sexual (conjugation or syngamy)
8
Q
what is binary fission?
A
each individual divides into two
9
Q
what is multiple fission?
A
repeated nuclear division before cytokinesis
10
Q
what is conjugation?
A
ciliates (two ciliates join and exchange nuclear material)
11
Q
what is syngamy?
A
apicomplexans (fusion of male and female gametes to form a zygote)
