Cards (13)

  • where is the waxy cuticle in a leaf?
    the protective layer on top of the leaf
  • what is the function of the waxy cuticle?
    prevents water evaporating
  • upper epidermis adaptations?

    thin and transparent to allow light to enter the palisade mesophyll
  • where is the palisade mesophyll found?
    in the upper layer of the leaf
  • what does the palisade mesophyll look like?
    column shaped cells
  • what is the function of the palisade mesophyll?
    to perform photosynthesis
  • where is the spongy mesophyll found?
    in the lower layer of the lead
  • what is the function of the spongy mesophyll?
    allow diffusion (mainly of CO2) and increase surface area to volume ratio
  • what is the function of xylem?
    transport water in the leaf and minerals
  • what is the function of phloem?
    transports sucrose and amino acids
  • what is a tissue?
    a group of cells with a similar structure and function
  • what is the function of the guard cells?
    absorb and lose water to open and close the stomata
  • what is the function of the stomata?
    • where gas exchange takes place
    • transpiration