Multiple Choice
The following characteristics are typical of annelids:
A) segmentation,open circulation,and nephridiA.
B) segmentation,closed circulation,and nephridia.
C) no anus,nephridia,and coelom.
D) nephridia,coelom,and open circulation.
Correct Answer:

Verified
Correct Answer:
Verified
Q6: The typical nervous system of annelids consists
Q7: Sipunculids<br>A)are marine dwellers.<br>B)live in burrows.<br>C)have a trochophore
Q8: The Errantia is the largest class of
Q9: The most basal group of the Annelida
Q10: Leeches typically lack both setae and septa.
Q12: The Errantia<br>A)belong to the smallest and most
Q13: The most diverse class of annelids is
Q14: The Errantia have separate sexes,but the earthworms
Q15: The circulatory system in the earthworm<br>A)is absent.<br>B)is
Q16: Reproduction in the earthworm involves<br>A)asexual budding.<br>B)self-fertilization.<br>C)cross-fertilization between