xylem
phloem
cambium
epidermis
root hairs
apical meristem
root cap
stolons
parallel
leaf
petiole
node
opposite
alternate
stamen
perfect
imperfect
monoecious
dioecious
chlorophyll
calvin cycle
respiration
aerobic respiration
anaerobic respiration
transpiration
water balance
evapotranspiration
nutrient
metabolism
macronutrients
micronutrients
nutrient deficiency
necrosis
death of tissue