Over the last several thousand years,leeches have been utilized by humans
A) to attack foreign invaders.
B) to remove blood from the body.
C) to prevent malaria.
D) as food.
E) to investigate the functioning of nervous systems.
Correct Answer:
Verified
Q19: The major nitrogenous waste produced by annelids
Q20: _ are sensory pits on the heads
Q21: The superficial external rings on a leech
Q22: The girdle-like structure used for mucus secretion
Q23: Clitellates may be characterized as _ with
Q25: As in birds,the _ acts to grind
Q26: Clitellate reproduction may be characterized by
A)the female
Q27: The _ is a thin-walled storage area
Q28: In the clade Clitellata,the larval form is
A)a
Q29: Leeches typically lack
A)segments.
B)a digestive tract.
C)sense organs.
D)a pharynx.
E)setae.
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