the alimentary canal of nematodes has?
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Nematodes have been characterized as a tube within a tube ; referring to the alimentary canal which extends from the mouth on the anterior end, to the anus located near the tail. Nematodes possess digestive, nervous, excretory, and reproductive systems, but lack a discrete circulatory or respiratory system.
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The alimentary canal of nematodes has a mouth on one end and an anus on the other.
Explanation:
Nematodes have a complete digestive system. They have a mouth at one end and on the other end is an anus. In a complete digestive tract, food travels one way only.
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