Science Notebook - Student Edition

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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