Leeches
A) lack a clitellum.
B) feed only on blood.
C) have a trochophore larva.
D) have internal fertilisation.
E) have chitinous bristles, the chaetae.
Correct Answer:
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Q4: The coelom probably evolved in the first
Q5: Metanephridia, which are open tubes with funnels,
A)
Q6: It would be correct to describe annelids
Q7: Annelids in class Clitellata are characterised by
A)
Q8: The function of the clitellum in clitellate
Q10: Which of the following classes of annelids
Q11: Most bivalves
A) use cilia on their gills
Q12: All modern molluscs have retained the radula,
Q13: The modern molluscan class in which the
Q14: In pulmonate snails, gas exchange occurs
A) through
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