Plant Nutrition

3. / helps to stop water evaporating from the leaf
7. / obtained from air only 0.04% available
9. layer / the air spaces and palisade layer forms this layer
11. / Obtained from soil
12. / The leaf is joined to the rest of the plant this
15. / source of light for the plants
16. / This is changed to sucrose in plants for transport.
19. / Taking in useful substances
20. layer / The cells nearer to the top of the leaf are arranged like a fence and they for this layer
21. Factor / something present in the environment in such short supply that it restricts life processes
22. bundles / This runs through the petiole

1. Tubes / Carries sucrose
2. cells / sausade shaped structure which can open or close
3. / Green plants have a substance which absorbs sunlight
4. / Green plants use the energy of sunlight for this
5. / A leaf consists of a broad flat part called
6. / The middle layers of the leaf
8. / Substances such as carbondioxide water etc
10. / substance that is capable of decaying
13. / The polysaccharide which is used as an energy store in plant cells.
14. vessels / Carries water
17. / small openings present in the lower epidermins
18. / The top and bottom of the leaf are covered with a layer of these cells
22. / They contain tubes which carry substances to and from the leaf
23. Spaces / The cells nearer to the top of the leaf are arranged like a fence which are arranged loosely with large ----------