Multiple Choice
Sponges feed by means of
A) Currents formed by amoebocyte cells
B) Currents generated by muscular contraction
C) Currents formed by collar cells
D) External water currents only
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Bivalve mollusks<br>A) Have a gill that is
Q3: All sponges<br>A) Reproduce exclusively asexually<br>B) Have sexual
Q4: Benthic sea squirts are most closely related
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)
Q10: Flatworms have<br>A) Many representatives that are parasitic<br>B)
Q11: Echinoderms differ from mollusks in their<br>A) Dominant