Platyhelminthes Flashcards
Which phylum of animals is acoelomate?
Platyhelminthes
Why are platyhelminthes called flat worms?
They have a dorso-ventrally flattened body.
What is the sexuality of platyhementhes?
Sexes are not separate.
What type of fertilisation occurs in platyhelminthes?
Internal and indirect
What type of symmetry do platyhelminths have?
bilateral symmetry
how many layered are platyhelminths ?
triplobalstic
how is the digestive system in Platyhelminthes?
incomplete ( blind sac body plan )
{ but in Tapeworm digestive system is
completely absent. They absorb nutrients from the host directly through their body surface. }
How do platyhelminths respire?
Platyhelminths respire through body surface
Anaerobic respiration is found in internal parasites like Taenia
What specialized cells help in excretion in platyhelminths?
Flame Cells (Protonephridia)
What is the sexuality of Platyhelminths?
Bisexual
Muscles in the body wall of platyhelminths are -
mesodermal
Some examples of Platyhelmiths?
Planaria
Taenia (Tapeworm)
Fasciola (Liver fluke)
Schistosoma (Blood fluke)
Which platyhelminth is known as liver fluke?
Fasciola
Which platyhelminth is also known as Blood FLuke?
Schistosoma
What is the scientific name of tapeworm?
Taenia Solium
