BIOG 1440 Midterm: Prelim 2 Study Guide

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Generic information: for smaller animals, _________________ works well enough to transport materials. In larger animals, isn(cid:385)t effective enough to transport materials throughout the entire body. __________ ___________ through a closed system of tubes for long distance transport of molecules: diffusion rate is inversely proportional to ____________, diffusion is most effective over _____________ distances. Diffusion is made possible by ____________________ _____________________: bulk flow(cid:385)s big advantage is ____________ ____________________ transport. Bulk flow requires two things a _____________________ ____________ and a source of ______________. Plant vasculature: ______________ and ______________ compose plant(cid:385)s vasculature, innermost layer of the bark is called the _____________ . ______________ is transported from ____________ to ______________ unidirectionally: transport of materials through the _______________ is bidirectional from source to sink, xylem is composed of two cell types __________________ and _____________ _______________: _______________ ______________ have perforation plates linking cells in a common tubular structure, tracheids have a _________________ and _________________ wall.

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