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27.1 science

QuestionAnswer
Name two types of unsegmented worms flatworms and roundworms
to what phylum do the flatworms belong? platynelminthes
flatworms are soft, flattened worms that have tissues and internal organ system
a fluid filled body cavity that is lined with tissue is called a coelom
what type of symmetry does a a flatworm have? bilateral
Flatworms rely on ____________ for respiration and excretion. diffusion
The muscular tube near the mouth that aids in getting food is called the _________________. pharynx
How do parasitic flatworms obtain their food? from a host
What type of flatworm has no digestive tract at all? tapeworms
What do flame cells do? remove excess water from the body
what is gaglia and do flat worms have it? group of nerve cells. yes.
what is a hermaphrodite? an individual that has both male and female reproductive organs.
_________ is when an organism splits in two and each half grows to become complete new organisms. fission
Turbellarians are ___________ flatworms that live in marine and fresh water. free-living
flukes are __________ flatworms that infect internal organs of their host. parasitic.
How does a blood fluke infect a human? burrowing inside its skin
blood fluke embryos develop inside what organisms? humans
schistosomiasis is widespread in tropical areas that lack proper ______ treatment sewage
Tapeworms are long, parasitic flatworms that are adapted to life inside the ________ of their host. Do tapeworms have digestive tract? intestines. no.
What is the head of the adult tapeworm called? scolex
what are proglottids? segments that make up most of the worms body.
How are tapeworm zygots passed out of the body? feces
the larvae of a tapeworm grow in the ______ of the intermediate host. muscle tissue
acoelomate without coelom
coelom is a fluid filled body cavity that is lined with tissue derived from mesoderm.
pharynx muscular tube
flame cells remove excess water
gangalia group of nerve cells
eyespot detects dark and light
hermaphrodite has both male and female reproductive organs.
fission when an organism splits in half and grows back together.
scolex structure that can contain suckers or hooks.
proglottids segments that make up most of the worms bodies.
testes male reproductive organs.
Created by: EmmaRoseDavis
 

 



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