Horticulture 1
Plant Structures: Leaves
What are primary parts of plants?
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What are the functions of leaves?
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What is photosynthesis?
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It is a ________________by which plants _____________ ____________and
__________________ _________________ in the presence of
_______________ and ______________ and produce carbohydrates and release
________________.
Why is photosynthesis important?
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__________________is the most important source of ________________for
living things. _____________converts light into ________________that can be
used by plants and _______________.
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Releases _______________________
Photosynthesis formula:
6CO2 + 12H2O + sunlight ---> 6O 2 + C6 H12O 6 + 6H2 O
or...
_____________________ + ______________+ _______________--->
_______________+ _________________ + ___________
There are two parts of photosynthesis--the ___________ and _____________reactions.
 The _____________ reactions produce __________ energy from ____________.
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The _____________ reactions convert __________________ into ____________.
Leaves in gas exchange
 Oxygen, Carbon Dioxide, and Water exchanged from ___________________.
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_______________ open in day to transpire _________ and allow ______ to enter
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_____________during ____________ conditions to prevent _____________ loss.
External Parts of Leaves
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__________________ - Stalk of leaf that attaches to ____________
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________________- Main _______________of vascular tissue
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_________________- Photosynthetic site of leaf
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______________________ – outer edge of the leaf
Stomata
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________________________ on the epidermis
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allows _________ into leaf
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allows _______________ and __________________ out of leaf