Phylum Platyhelminthes Flashcards
0
Q
Nervous system
A
- pair of anterior ganglia
- longitudinal nerve cords
- transverse connective nerves
1
Q
General characteristics
A
Bilateral symmetry
- body flattened dorsoventally
- incomplete or no digestive system
- most are parasites
2
Q
Class Turbellaria
A
- usually free living
- generally carnivorous
- marine or freshwater
3
Q
Class Trematoda
A
- all parasitic
- medical importance
- eggs released into feces
4
Q
Class Cestoda
A
- all gut parasites
- long compressed body
- serious of hosts , mammals
5
Q
Dugesia (planaria)
A
- glide on mucus
- ocelli present
- common freshwater flat worm
- class Turbellaria
- asexual
6
Q
Ocelli
A
Can detect light not an image
