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chapter 4 vocab

5 ATHENA ch 4 Scott Foresman 2008

vocabulary worddefinition
photosynthesis the process by which plants use light energy to make sugars
xylem tubes in vascular plants that carry water and other materials
phloem tubes in vasular plants that carry sugar away from the leaves
pollen a grain yellow powder made at the top of the stamen of a flower
pollination moving pollen fron the stamen to the pistil
embryo a new plant inside a seed
spore a tiny plant that will develop into a new plant
tropism a way that plants change their growth because of something outside of them
growth hormaon a chemical that causes more cells to grow and helps cells to grow larger
Created by: bgagnon