parasitic adaptations of unsegmented worms Flashcards
1
Q
what do parasitic unsegmented worms not posses
A
cephalization, nerve cords, ganglion, gastrovascular systems
2
Q
why do they lose many of the advantages
A
they dont need them; they live in a stable environment
3
Q
what happens to their reproductive system
A
extensively develops into a more complex system
4
Q
what do parasitic flatworms have that non-parasitic ones dont?
A
cuticle, hooks and suckers
5
Q
describe the life cycles
A
complex
uses secondary or intermediate hosts to transport the species from primary host to primary host
