12 - Platyhelminths Flashcards
1
Q
(Helminths)
- platyhelminths = ?
- nemathelminthes = ?
A
- flatworms
- roundworms
2
Q
(Platyhelminthes)
- tubellaria = ?
A
- eddy worms
3
Q
(Platyhelminthes)
- flukes = ?
- tapeworms = ?
A
- trematodes
- cestodes
4
Q
(Platyhelminths)
- bilaterally symetircally>
- flattened how?
- anterior end has what?
A
- dorsoventrally
- sensory and motor nerve elements
5
Q
(Platyhelminths)
- have a body cavity (coelem)?
2.
A
- no
6
Q
(Platyhelminths)
- Tegument = ?
- gut is what?
undigested waste eliminated how?
- respiration?
4.
A
- surface (absorbs a lot of stuff cause tapeworms have no gut)
- blind sace (trematodes) or absent (cestodes)
highly branched
via mouth
- through tegament
7
Q
(Platyhelminths)
(nervous system)
- is what?
(reproduction)
- are what?
- can do what?
A
- bilateral - many sensory elements
- hermaphrodites
- self and cross fertilize
8
Q
don’t learn these
A
9
Q
A
10
Q
sounds like we will be going over this again
A
feck…
11
Q
(Trematodes or Flukes)
A
12
Q
what kind of sucker most common?
A
distomes
13
Q
A
14
Q
(Trematode Physiology)
(reproduction)
- most adult flukes are hermaphroditic - except what?
- sexual reproduction occurs where?
- do they require intermediate hosts?
- what occurs in intermediate host?
A
- schistosomes
- definitive host (vertebrae)
- yes - one or more (intervertebtrates - 1st snail or slug)
- asexual reporduction
15
Q
A
16
Q
(Flukes - life history)
A
17
Q
A
