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Mary Clancy Mr. Sharp Science 8th …
Mary Clancy Mr. Sharp Science 8th 4/22/2021 Web #2
leaves
cuticle
cover the top of a leaf
waxy and waterproof
lower epidermis
stomata
guard cells
open and close stomates
bean shaped
on the leaf bottom
protective bottom layer
palisade layer
preforms most photosynthesis
elongated cell layer
spongy layer
air spaces
allow gas exchange
air gaps
storage
fibrovascular bundle
xylem
support older heartwood
carry water and minerals
phloem
to stem and roots
transfers food
used for transportation
upper epidermis
protective layer of cells
dense
produce food from sunlight