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Bio Test

QuestionAnswer
Because flatworms do not have a hollow body cavity between the endoderm and the mesoderm, they are___________________. acoelomates
The muscular tube planarians extend from the middle of their body cavity to ingest food is called a ______________. pharynx
What structures on flame cells allow excess water to be drawn in and excreted from numerous pores scattered over the body surface? cilia
What role does the tegument of flukes play for the organism? makes the fluke resistant to the defenses of the host's immune system
The host from which larvae derive their nourishment is called the ____________ host. intermediate
Class Cestoda consists of tapeworms
Dormant larvae surrounded by protective coverings are called _____________. cysts
What does a tapeworm use its scolex for? to attach itself to the host
Since planarians are hermaphridites, their reproductive system includes testes and ovaries
Which of the following has an anterior and ventral sucker? fluke
Which of the following is a characteristic of the phylum Nematoda? pseudocoelomates
The most common roundworm parasite of humans in the United States are. pinworms
Dog heart worms are a type of what? filarial worm
Hookworms use these to cut into the host's intestine, releasing blood on which the hookworm feeds. plates
Rotifer reproduction is unusual because some species of rotifers reproduce by __________________. parthenogenesis
The noncellular layer that surrounds roundworms is called the ________________. cuticle
Rotifers use excretory tubules and _________ to collect excess water in the body. flame cells
T/F Rotifers have specialized organ systems. True
A condition known as elephantiasis can be caused by what roundworm? filarial worms
How do fertilized Ascaris eggs leave the host's body? feces
How can a person acquire trichinosis? undercooked pork
Created by: user-1969077
 

 



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