Flatworms Have Three Germ Layers: Ectoderm,mesoderm,and Endoderm

Q3: All pseudocoelomate organisms have a complete digestive

Q4: Most individual turbellarians contain organs of both

Q5: "Ectolecithal" describes a situation in which<br>A)there is

Q6: Gastrotrichs are large,wormlike animals.

Q7: The Acanthocephala are nonparasitic,freshwater worms.

Q9: Two distinctive features of Acanthocephala are a

Q10: Acanthocephalans<br>A)parasitize fish,birds,and mammals.<br>B)are monoecious.<br>C)have a well-developed digestive

Q11: Digenetic trematodes typically have a vertebrate as

Q12: The term tegument is most appropriate for

Q13: The main body of the cestode is