1. Unit 1 Chapter 6 Noteguide 1
Plant Anatomy
Unit 1
Chapter 6
Noteguide 1

2. The Importance of Plants
Without plants, life on earth ______________ exist
Plants are the ______________ source of ______________ for humans and animals

3. The Importance of Plants cont.
Plants also:
Provide ______________
Supply us with ______________
Renew the air
______________ down the wind
______________ in place
Are a ______________ for wildlife
Furnish building materials and fuel

4. Parts of the Plant Most plants are made up of four basic parts:
______________
______________(these later become fruit or seeds)

5. Roots Usually ______________ – not visible Functions:
______________ the plant and hold it ______________ *
______________ water and minerals from the soil & ______________ them to the stem*
Store large quantities of ______________ *
Propagate or ______________ in some plants
* = essential to all plants

6. Roots on the Inside Very ______________ to a stem
Older roots of shrubs & trees have:
Phloem on the outside (old phloem is bark)
Cambium layer
Xylem (wood) on the inside

8. ______________
Carries manufactured food down to the root for food storage
Carries water and minerals up to the stem

9. Roots on the Outside ______________ from a stem On a stem, the
initiates growth
On a root,
the ______________
Root cap continuously makes ______________ that protect the root as it pushes into the soil

10. Root External Structure
Behind the root cap are ______________
Root hairs become ______________ that branch out as the root grows older
Absorb ______________ and ______________ which are conducted up to the larger roots and the stem

11. Roots as Crops
Cash crops
Carrots
Beets
Radishes
Sweet Potatoes

12. Root Propagation Plants with ______________ roots:
Dahlia
Peony
Sweet Potato
Are propagated by ______________ the root clump or by rooting spouts from the root

13. Types of Root Systems
Fibrous Root System vs. Tap Root System

14. Which root system is easier to transplant? Fibrous roots or tap roots?
___________________
Why?
___________________ ___________________ ___________________ ___________________ ___________________

15. If a root loses to many __________________while being transplanted, the plant will ________________.
Larger roots only __________________ water, nutrients, and food
Root hairs _________________ from the ground

16. Important “Root”words
_____________________
All of the root parts of a single plant collectively
First root sent from a germinating seed
Absorbs water and nutrients for growing seedling
Anchors seedling in the ground
Small branches that form off of the primary root

17. Important “Root”words
_____________________
Group of cells at the end of a root that protect it from the coarse soil as it pushes through to grow
Roots that begin growth from a stem or leaf
Commonly found on corn plants
Plants that will produce roots at the base of the stem when a cutting is taken

18. Important “Root”words
_____________________
Enlarged food-storage root with adventitious shoots that develop
These shoots produce adventitious roots to produce a new plant