Science 10-1 Biology Leaf Flashcards
1
Q
Cuticle
A
Outer waxy protective layer of leaf
Protects from water and sun
2
Q
Upper epidermis
A
Allow light to pass through to palisade layer
3
Q
Palisade layer
A
Photosynthesis occurs
High amounts of chloroplasts
4
Q
Spongey Mesophyll
A
High amounts of chloroplasts
Gas and water exchange
5
Q
Xylem
A
Transports water
6
Q
Phloem
A
Transport sugar, and proteins to plants
7
Q
Stoma / Stomata
A
Open and close for gas exchange
8
Q
Guard cells
A
Takes potassium from sunlight and causes guard cells to become hypotonic. Water then goes into the cell then closes off the stoma
9
Q
Vascular bundle
A
Where xylem and phloem are found
