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Nematode: Quiz


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Question 1: Traditionally, they were held to be a lineage of their own, but in the 1990s it was proposed that they form a clade together with moulting animals such as ________.

Question 2: Then the taxon Nematoidea has been promoted to the rank of phylum by ________ (1877) including the family Gordiidae (horsehair worms).
Ray LankesterThomas Henry HuxleyCharles DarwinWalter Frank Raphael Weldon

Question 3: Nematodes commonly parasitic on humans include ascarids (Ascaris), filarids, ________, pinworms (Enterobius) and whipworms (Trichuris trichiura).

Question 4: ________ is excreted in the form of ammonia through the body wall, and is not associated with any specific organs.

Question 5: Traditionally, they are divided into two classes, the Adenophorea and the Secernentea, and initial DNA sequence studies suggested the existence of five ________:[8]
PhylogeneticsGhost lineageComputational phylogeneticsClade

Question 6: Nematode sperm is thought to be the only eukaryotic cell without the globular protein ________.

Question 7: ________: A helminth infection of humans caused by the dog or cat roundworm, Toxocara canis or Toxocara cati

Question 8: [12] Some nematodes are ________, and keep their self-fertilized eggs inside the uterus until they hatch.
SpeciesHermaphroditeIntersexualitySexual differentiation

Question 9: ________ sperm crawl along the spicule into the female worm.

Question 10: ________: A human disease caused by the parasitic roundworm Ascaris lumbricoides

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