Page 16 - E-Biology Sec.2 2024-2025 U1_Handy
P. 16
Stomatal Cuticular Lenticular
transpiration transpiration transpiration
More than 90% 5% of water vapor Very small amount
of water loss is loss is through the of water vapor loss is
through stomata waxy cutical layer through the lenticels
(abundant in the covers the epidermis which are opening in
of the vegetative the cork layer covers
leaves) the woody stems of
Water vapor passes organs.
through the moist The cutin repels trees.
walls of mesophyll to the water but it
the air chambers then
it diffuses to the air has some
through stomata. permeability to
water vapor.
15
Second Term
