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Main Idea Details
Introduction to Plants
parasiteannualbiennialconecotyledonperennialSection 21.4 Vascular Seed PlantsScan the illustrations and read the captions. List two conclusions
that you can draw about seeds and cones.1.2.
Use your book or dictionar y to define parasite.Use your book or dictionar y to define each term.New
VocabularyReview
VocabularyIntroduction to Plants 221