The Lil Plant

3. Low humidity
5. can be damaging to plants.
7. moving air throughout, into, and out of the greenhouse
11. we use them on the bottom of the pot to prevent too much or to little water
12. water held by the soil in small pores
15. receive most water through the root system.
16. Transpiration the loss of_____-_____ through the stomata
17. the amount of water vapor in the air
19. _____is made of,78% Nitrogen,21% Oxygen,and1% Other (including CO2 0.04%)
20. The _____-____ of plants increases under conditions of high humidity.
21. Stomata 0pening in the ____
22. In greenhouses,we _______the level of carbon dioxide to promote photosynthesis.
23. water held so strongly by soil particles that it can not be used by plants
24. total volume of air or water in a media/soil

1. leads to damage roots ( dry our/ cell death)
2. % of media/soil that holds air
4. low transpiration
6. Frequent rain and high humidity result in ____ tropical forests
8. is picked up mainly by the roots of the plant.
9. ________-_________such as sulfur dioxide and ozone, can kill plants.
10. the part where the plant intakes the water
12. the ability of a liquid to flow in narrow spaces against external forces like gravity
13. a pocket of air or water in a media/soil
14. the total amount of water a soil can hold against the force of gravity
18. leads to damage to roots (lack of oxygen/rotting)