modified roots

2. an association between two organisms in which one benefits and the other derives neither benefit nor harm
6. origin of sweet potato
8. a symbiotic relationship between a fungus and a plant's roots
9. large, wide roots that extend from the base of a tree to help stabilize it
11. knob-like structures that grow on the roots of leguminous plants
12. thickened underground organs that store nutrients like water and carbohydrates for plants
13. roots that grow above the ground and serve a variety of functions for plants
15. commonly called cassava, manioc, or yuca

1. modified roots that grow downward from the branches of a plant to support its heavy branches
3. thickened underground organs that store nutrients like water and carbohydrates for plants
4. roots of parasitic plants that grow into the tissues of a host plant to absorb water and nutrients
5. a perennial plant of the family Brassicaceae
7. The sweet potato
10. the original Ecuadorian Quechua word for sweet potato
14. Roots a type of modified root that can produce new plants through asexual reproduction