Multiple Choice
Flatworms have
A) Many representatives that are parasitic
B) No structure capable of gathering food actively
C) A complete digestive tract with mouth and anus
D) Only free-living representatives
Correct Answer:

Verified
Correct Answer:
Verified
Q5: Annelids differ from nematodes in<br>A) Having a
Q6: Members of the Polychaeta<br>A) Have parapodia<br>B) Lack
Q7: All arthropods share<br>A) A calcified internal skeleton<br>B)
Q8: The radula<br>A) Is found in gastropods and
Q9: Trilobites belong to<br>A) The Crustacea<br>B) The Mollusca<br>C)
Q11: Echinoderms differ from mollusks in their<br>A) Dominant
Q12: What is the advantage of bilateral symmetry
Q13: All Cnidaria<br>A) Have a swimming life stage
Q14: A close relative of the Pogonophora is<br>A)
Q15: Which of the following have a complete