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Worms
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True or false: Phylum Platyhelminthes are all free-living (non-parasitic)
False (parasitic flukes and tapeworms)
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Based on the diagram below, this animal is:
Tribloblastic
Eucoelomate
A vertebrate
Diploblastic
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The part of the tapeworm's body that attaches to the host is the
Scolex
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Which of these phyla is pseudocoelomate?
Platyhelminthes
Nemertea
Nematoda
Annelida
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What are the two major clades of Protostomes?
Ecdysozoa and Lophotrochozoa
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What sense do members of class Turbellaria generally use to detect prey?
Chemoreception
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The chain of reproductive units in a member of class Cestoda are called
Proglottids
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Name the class
Turbellaria
Cestoda
Trematoda
Anthozoa
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Which class of flatworms includes parasitic flukes (but NOT monogenetic flukes)?
Class Trematoda
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Members of class Cestoda utilize ________ fertilization
Internal
External
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The primary (or definitive or final) host of Chlonorchis sinensis is...
Humans and other fish-eating mammals
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Which of these is an example of a eucoelomate condition? (top, middle, or bottom)
Top
Bottom
Middle
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Are Platyhelminthes generally monoecious or dioecious?
Monoecious
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Nearly all species in class Cestoda are:
Monoecious
Dioecious
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Name the class
Turbellaria
Trematoda
Cestoda
Nematoda
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True or false: protonephridia function primarily in water balance, not nitrogenous waste removal
True. Nitrogenous wastes (ammonia) are removed from the body via diffusion through the skin
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The intermediate (or secondary) host of Chlonorchis sinensis is...
Snail
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Which of these is a parasitic nematode?
Ascaris lumbricoides
Chlonorchis sinensis
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