Exam 14: Acoelomorpha, Platyzoa, and Mesozoa

The name of the free-swimming,ciliated stage that hatches from a trematode egg is the

Humans become infected with Taenia saginatus when they

The long chains of bags of eggs,which hang behind the head of a tapeworm,is called a

You are given a culture that contains gastrotrichs and gnathostomulidans.How could you specifically identify the gastrotrichs?

Humans become infected with lung flukes by

Beside "hunters" that seize prey,some rotifers are

Predict the consequences of a gastrostomulidan with an impermeable outer covering.

Which of the following statements about planaria is NOT true?

Rotifers that are "hunters" protect their hard jaws or _____ to seize prey.

The holdfast of a tapeworm is its _______________.

A special cysticercus called a _______ grows slowly but can proliferate thousands of scolices to infect a carnivore.

"Endolecithal" describes a situation in which

Platyhelminthes have

If eggs or proglottids of the pork tapeworm are ingested,

The large posterior attachment organ of the adult monogenean is a/an

Marine forms of platyhelminths have a ciliated larvae that resembles which of the following?

If an individual turbellarian contains organs of both sexes,it is termed ______________ or hermaphroditic.

In flame cells,

Because they have three germ layers,flatworms and ribbon worms are _______________.

Which phyla have a characteristic number of cells the epithelia of different regions? Check all that apply. ____Rotifera ____Acanthocephala _____Mesozoa _____Gnathostomulida