Ch.15 Textbook Review Questions Flashcards
1
Q
How many times did the lophophore evolve and how does it differ among taxa?
A
Evolved twice
ciliated tentacles
2
Q
What morphological evidence suggests that nemerteans are atypical coelmomates?
A
Due to rhynchocoel a fluid-filled surrounded by muscles, muscle contractions increase hydrostatic pressure
3
Q
How does a nemertean catch and consume prey?
A
Using their long muscular tubes, the proboscis extends to grab prey, have a complete digestive system
