Chapter 8 Flashcards
Which worms are always parasitic?
Cestodes
Which worms are hermaphrodites?
Planaria
Tapeworm
Fluke
Which organism are the most numerous marine worms in term of species
Roundworms
What is true of planarians
They are bilaterally symmetrical
Which worms are does chemosynthesis occur?
Giant tube worms
Cilia and mucus are used by flatworms and ribbon worms to do what function?
Locomotion
Which worms are can go into a cryptobiotic state for many years?
Round worms
Which group of worms were the 1st multicellular animal to have its entire genome sequence in 1998?
Roundworm
Which of the following annelid classes has both parapodia and setae?
Polychaeta
Which of the following are active hunters?
Arrow worms
Which have a symbiotic relationship with bacteria?
Giant tube worms!!
The polychaete with an open circulatory system is the
Bloodworm
Segmentes worms have a fluid filled space called the
Coelum- cavity for body organs
Nerve cell clusters that function like a brain are the
Ganglia
Sandworms wriggle through the sand by means of
Parapodia and satea