1. Structures of
Seed Plants

2. Vascular Tissue -root & shoot systems supply water & nutrients
-root system=roots, shoot system=stem & leaves
-xylem - transports water and minerals through the plant
-phloem - transports food molecules to all parts of the plant
phloem
xylem

3. Roots -function -structure Root Cap
*supply water & dissolved minerals from the soil
*hold plants in place
*store surplus food as sugar or starch
-structure
*epidermis - surface layer of cells
*root hairs - increas surface area
*vascular tissue in center
*root cap - group of cells that protects the root tip
Root Cap

4. - can reach water deep underground - dicots & gymnosperms
-systems
*2 kinds
*taproot - one main root that grows downward
- smaller roots branch from it
- can reach water deep underground
- dicots & gymnosperms
*fibrous root - several roots spread out from base of stem
- roots usually same size
- get water from near the surface
- monocots
Taproot
System
Fibrous Root
System

5. Stems -vary in shape and size -usually above ground -function
*connects roots to leaves & flowers
*support for leaves & flowers
*transport materials from root system to
shoot system
*some used for storage
-herbaceous stems
*soft, thin, flexible
*include flowers, beans, tomatoes, & corn
-woody stems
*rigid, made of wood and bark
*trees & shrubs
*produce growth rings

6. Leaves -vary greatly in shape & size -function: -structure
*making food (photosynthesis)
*protection
*trapping insects
-structure

7. Flowers stigma + style + ovary = carpel (pistil)
pollen
stigma
petal
anther
style
filament
ovary
nectar guides
sepal
receptacle
female
stigma + style + ovary = carpel (pistil)
male
anther + filament = stamen

8. sperm-producing structures
Flower Structures and their function.
pollen
sperm-producing structures
filament
stalk that supports the anther
ovary
where the ovules are produced
style
slender neck that supports the stigma
receptacle
site of attachment to the stem
nectar guides
a channel to guide nectar
anther
chamber where pollen is produced
petal
attracts pollinators
stigma
sticky structure where pollen lands
sepal
protect the flower bud