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Function Stems-Leave
test feburary 12th, 2013
Question | Answer |
---|---|
Function of stems | supports plants body transport system carries water and nutrients hold leaves and brances upright holds leaves and brances upright |
annual ring | each light and dark tree ring equals one year on annual growth |
Function of leaves | main photosynthetic organ broad flat surface increases surface area for light absorption have systems to prevent water loss |
Stomata | opens in day but closes at night or when its to hot to converse water |
wat is on the surface | a waxy cuticle |
system of gas exchange | allows CO2 in and out and O2 out of the leaf |