The medicinal leech,once used to withdraw "unhealthy" blood from patients,produces which of the following to ensure blood flow from the host?
A) antibiotics
B) antibodies
C) anticoagulant
D) blood clots
E) suture material
Correct Answer:
Verified
Q18: Ectoprocts are characterized by all of the
Q19: The functions of the lophophore include all
Q20: Mollusks have all of the following except
A)visceral
Q24: A biologist has been studying a mollusk
Q26: Trochophores,the free-swimming larvae of many mollusks,are propelled
Q27: Brachiopods develop as protostomes,but they show _
Q30: The rasping tongue,the radula,is present in which
Q34: The nitrogenous waste in mollusks is removed
Q45: Annelids possess all of the following except
A)muscles
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