Review 6 Flashcards
What are the two major parts of a plant?
shoot system,
root system
Name two places where an apical meristem can be found.
tips of roots and shoots
Where does mitosis produce new cells that cause growth in length of a root?
meristem
In what zone of a root do newly formed cells increase to their mature size?
zone of maturation
What is the function of a root cap?
tip of the root that pushes through soil
What portion of the root produces root hairs?
epidermis
What is the function of root hairs?
outgrowths of the cell walls that increase surface area for absorption of water and minerals
What produces tree rings in the trunks and branches of trees?
spring wood- larger cells make wood lighter colored,
summer wood- darker colored,
tree rings- contrast between spring wood and summer wood
Where would you expect tree rings to happen?
environments with seasonal changes
What is the function of stems?
serves as the primary support structure of plants; conduct water/minerals from roots to leaves and food produced by leaves to other plant parts; store water and food
What parts of plants make up stems?
terminal bud, lenticel, bud, leaf scar, node, internode, terminal bud scar, pith
What produces a terminal bud scar?
the place where growth began the previous year
What is found at a node on a plant stem? Where is the internode?
points at which one or more leaves are attached to the stem,
the section of stem between the nodes
What is the primary function of leaves? What are some other functions that leaves can serve?
photosynthesis;
modified into spines for protection, storage of food and water, modified into tendrils that coil for support, carnivorous plant leaves trap insects for nitrogen
What structure is formed by the vascular tissue in leaves?
veins
