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Representative Platyhelminthes Class Turbellaria Quiz

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Representative Platyhelminthes Class Turbellaria Quiz

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Questions and Answers

What is the typical size range of turbellarian worms?

5 cm to 50 cm

5 mm to 5 cm

5 mm to 50 cm (correct)

50 cm to 100 cm

What is the main distinguishing feature between different turbellarians?

The presence or absence of a gut, and the structure of the pharynx (correct)

The size and color of the worm

The presence or absence of suckers and hooks

The habitat they live in (marine, freshwater, or terrestrial)

What is the main structural adaptation for parasitism in trematodes (flukes)?

Increased reproductive capacity (correct)

Presence of an opisthaptor

Lack of a pharynx

All of the above

Which of the following is a key characteristic of polyclad turbellarians?

They have a folded pharynx and a branched gut Signup and view all the answers

Where are trematodes (flukes) typically found as adults?

Endoparasites within the bodies of vertebrates Signup and view all the answers

Which of the following is NOT a structural adaptation for parasitism in trematodes?

Presence of a branched gut Signup and view all the answers

What is the key characteristic that digeneans share with ectolecithal turbellarians?

A well-developed alimentary canal with the mouth at the anterior end Signup and view all the answers

Which of the following is NOT a common vertebrate host for digenean parasites?

Insects Signup and view all the answers

What is the significance of the name 'Clonorchis'?

It refers to the branched nature of the worm's testis Signup and view all the answers

What is the primary host for the Schistosoma blood flukes?

Snails Signup and view all the answers

How do Paragonimus lung flukes typically infect their human hosts?

By being ingested in undercooked freshwater crabs Signup and view all the answers

What is the significance of the term 'Bilharzia' in relation to Schistosoma infection?

It is the old generic name for the Schistosoma blood flukes Signup and view all the answers