lesson 2 Flashcards
meristems
*undifferentiated plant tissue
*cells divide indefinitely by mitosis
*give rise to new cells
*new cells differentiate
apical meristems
*roots and shoots
*growth in length
*primary growth
*primary tissues
*primary meristems
primary meristems
*protoderm
*procambium
*ground meristem
*intercalary meristem
lateral meristems
*secondary growth
*growth in diameter
*vascular cambium
*cork cambium
living systems into hierarchies multicellular
Atom
Molecule
Macromolecule
Organelle
Cell
Tissue
Organ system
Organism
Population
Community
Ecosystem
Biosphere
organization of the plant body
cells
tissues
cells
-size of vacuole
-alive at maturity or not
-primary vs secondary cell wall
tissues
-dermal
-ground
-vascula
dermal tissue
-protection
-epidermis
*derived from embryo or apical meristem
*cuticle
*guard cells
*trichomes
*root hairs
ground tissue
storage, photosynthesis, support
vascular tissue
xylem
phloem
organization of the plant body
-organs
-organ systems
*root system
*shoot system
=vegetative shoot
=internode
=node
=leaf
=axillary bud
=reproductive shoot
=flower
leaves
photosynthesis
roots
-anchorage and absorption
-root cap
-zone of cell division
-zone of elongation
-zone of maturation
zone of maturation cross section
-Epidermis
*root hairs
-Cortex
*endodermis
=suberin
=casparian strip
-Stele
*pericycle
*vascular tissue
stems
-axis to support leaves and flowers
-transport
secondary growth
-vascular cambium
*secondary xylem
*secondary phloem
-annual growth rings
-periderm
*cork cambium
=cork cells
=phelloderm
-Bark
*secondary phloem + periderm
*lenticels
plant life span
-perennial plants
-annual plants
-biennial plants
