Roots
root system with one thick main root
tap root
protective layer of cells
epidermis
the outermost part of a flower (usually green) that protects the unopened flower and supports the petals when it blooms
sepals
system with many small roots
fibrous roots
waxy coating that prevents water loss
cuticle
attract insects and birds for pollination; usually conspicuously colored
petals
grow from the stem or leaf of a plant
adventitious roots
pore-like openings on the underside of the leaf that allow gas exchange
stomata
the single main root
primary root
where photosynthesis takes place; made up of palisade layer and the spongy layer
mesophyll
many tiny roots that increase the surface area of the root for absorption
root hairs
contain xylem and phloem and transport water and nutrients
veins