Multiple Choice
Reproduction in the earthworm involves
A) asexual budding.
B) self-fertilization.
C) cross-fertilization between two dioecious organisms.
D) cross-fertilization between two hermaphroditic individuals.
Correct Answer:
Verified
Correct Answer:
Verified
Q11: The following characteristics are typical of annelids:<br>A)segmentation,open
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
Q17: Echiurans<br>A)live in fresh water.<br>B)have a proboscis used
Q18: The cocoon in the earthworm is produced
Q19: Annelids may be characterized as protostomes,with spiral
Q20: Errantia differ from other annelids because errantia
Q21: In the annelids,each internal compartment is lined