chapter 4 vocab
| Description: | 5 ATHENA ch 4 Scott Foresman 2008 |
| Category: | Science |
| Created by: | bgagnon on 2008-07-25 |
| vocabulary word | definition |
| 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 |
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