262 Worms and Mollusks
herbivore
closed circulator y
system
gills
mantle
nephridia
open circulator y
system
radula
siphon
Worms and Mollusks
Section 25.3 Mollusks
Skim Section 3 of the chapter. Write two questions that come to
mind from reading the headings and illustration captions.
1.
2.
Use your book or dictionar y to define herbivore.
Use your book or dictionar y to define each term.
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