what does the stomata do?
allows gases to diifuse through the leaf
what is the spongy mesophyll?
a few chloroplasts with a large surface area for gas exchange
what is the waxy cuticle?
a physical defense that is transparent and waterproof to reduce water loss
what is the upper epidermis?
the cell wall used as a physical defence that is transparent
what are palisade cells?
tightly packed cells uner the epidermis with many chloroplasts to increase photosynthesis
What do guard cells do?
allow gases to diffuse throught the leaf
what is the lower epidermis?
slingle layer of cells covering the bottom surface of the leaf
what are chloroplasts?
small structures within the cells where photosynthesis takes place
what are intercellular spaces?
spaces that allow gas diffuison through the leaf