The Errantia
A) belong to the smallest and most evolutionarily derived class of annelids.
B) are mostly freshwater inhabitants.
C) consist of active predators and sedentary particle feeders.
D) are hermaphroditic.
Correct Answer:
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Q15: Annelids transport food,wastes,and respiratory gases via their
Q16: The following characteristics are typical of annelids:
A)segmentation,open
Q17: The annelids,molluscs,and arthropods are considered members of
Q18: Errantia differ from other annelids because errantia
Q19: Annelids grow by producing new segments at
Q21: Leeches
A)are found mainly in fresh water.
B)may be
Q22: Reproduction in the earthworm involves
A)asexual budding.
B)self-fertilization.
C)cross-fertilization between
Q23: The circulatory system in the earthworm
A)is absent.
B)is
Q24: _ is called the "fat innkeeper" because
Q25: Echiurans
A)live in fresh water.
B)have a proboscis used
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