animal like protists : flagellates Flashcards
1
Q
what are there throphs
A
heterothrophs, photosynthetic autotrophs, mixothrophs
2
Q
do they have a pellicle
A
yes
3
Q
what are some types of flagellates
A
- Euglena
- euglenozoans : Trypanosoma, Giardia, Toxoplasma
4
Q
what troph is Euglena
A
heterotrophs or photosyntehic autotrophs (mixotropic)
5
Q
do Euglena contribute to zooplankton
A
yes
6
Q
how does Euglena store sugar
A
starch-like carb
7
Q
what does Euglena have to get towards light for photosynthesis
A
photoreceptor apparatus : eye spot and pigment shiels so they can detext light and swim towards it
8
Q
what is a consequence of Euglena in water
A
gives water a green , soup-like appearance when abundant
9
Q
characteristics of Trypanosoma (type of Euglenozoan)
A
- transmited by bite of a tsetse fly (vector)
- causes African sleeping sickness : fever, lethargic, diff speaking and walking, altered sleep/wake cycle
10
Q
characteristic of Giardia (euglenozoan)
A
- in mammals
- causes “backpackers diarrhea”
- eliminated as resistant cysts in the feces of vertebrate animals
- cysts contaminate the streams
- people get infected by drinking the water
11
Q
characteristic of Toxoplasma (euglenozoan)
A
- through eating infected animals
- associated with neurological disorders cancer and personality changes
