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Questions and Answers
Most animals have ______ symmetry.
Most animals have ______ symmetry.
bilateral
Animals with bilateral symmetry have a distinct ______ end.
Animals with bilateral symmetry have a distinct ______ end.
head
Animals that have no space between their gut and body wall are said to be ______.
Animals that have no space between their gut and body wall are said to be ______.
acoelomate
Acoelomate phyla belong to the superphylum ______.
Acoelomate phyla belong to the superphylum ______.
Members of phylum Platyhelminthes live in ______, freshwater, and damp terrestrial habitats.
Members of phylum Platyhelminthes live in ______, freshwater, and damp terrestrial habitats.
These are the simplest animals with an ______ system.
These are the simplest animals with an ______ system.
The epidermis contains cellular ______ with rhabdites
The epidermis contains cellular ______ with rhabdites
Platyhelminthes are flattened ______ and have a gastrovascular cavity
Platyhelminthes are flattened ______ and have a gastrovascular cavity
Undigested food is ______ through the pharynx
Undigested food is ______ through the pharynx
The osmoregulatory system consists of ______ with flame cells
The osmoregulatory system consists of ______ with flame cells
The nervous system consists of a ladderlike network of ______ and a bilobed brain
The nervous system consists of a ladderlike network of ______ and a bilobed brain
Some species of Platyhelminthes can reproduce ______ as well as sexually
Some species of Platyhelminthes can reproduce ______ as well as sexually
Most flatworms are ______ (hermaphroditic) during breeding season.
Most flatworms are ______ (hermaphroditic) during breeding season.
In males, there are two or more ______ with papilla-like penis or cirrus.
In males, there are two or more ______ with papilla-like penis or cirrus.
Class Turbellaria consists of mostly ______ turbellarians.
Class Turbellaria consists of mostly ______ turbellarians.
Planarians have ______ eyespots and centralized nerve nets.
Planarians have ______ eyespots and centralized nerve nets.
Trematodes live as ______ in or on other animals.
Trematodes live as ______ in or on other animals.
Flatworms are divided into four ______: Turbellaria, Trematoda, Monogenea, and Cestoda.
Flatworms are divided into four ______: Turbellaria, Trematoda, Monogenea, and Cestoda.
The class Trematoda has approximately ______ known species.
The class Trematoda has approximately ______ known species.
The subclass Apidogastrea are obligate parasites of ______ and some vertebrates including cartilaginous fish.
The subclass Apidogastrea are obligate parasites of ______ and some vertebrates including cartilaginous fish.
The body surfaces of Trematoda comprises a tough ______ tegument.
The body surfaces of Trematoda comprises a tough ______ tegument.
Schistosomiasis affects approximately ______ people in 74 countries.
Schistosomiasis affects approximately ______ people in 74 countries.
The transmission of Schistosomiasis occurs in ______ water.
The transmission of Schistosomiasis occurs in ______ water.
Adult worm of S.haematobium live in the veins that drain the ______ system.
Adult worm of S.haematobium live in the veins that drain the ______ system.
S.haematobium cercaria are viewed using ______ microscopy
S.haematobium cercaria are viewed using ______ microscopy
Schistosoma eggs become trapped in the tissues of the ______ tract
Schistosoma eggs become trapped in the tissues of the ______ tract
Adult worms of S.haematobium are ______ cm long
Adult worms of S.haematobium are ______ cm long
Tapeworms are also ______ and lack a digestive system
Tapeworms are also ______ and lack a digestive system
The scolex is equipped with ______ and hooks for attachment to the host
The scolex is equipped with ______ and hooks for attachment to the host
Cestodes usually require at least ______ hosts
Cestodes usually require at least ______ hosts
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