Plant Transport. Stem Tissues: An Indepth Look Nodes: where the leaf meets the stem. Internodes: space between the nodes. Analogy: like your joints.

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Presentation transcript:

Plant Transport

Stem Tissues: An Indepth Look Nodes: where the leaf meets the stem. Internodes: space between the nodes. Analogy: like your joints

Plant Transport

Stem Tissues: An Indepth Look

Xylem + cambium + phloem = vascular bundles

Stem Tissues: An Indepth Look Bark cambium: to protect the insides of a tree.

Stem Tissues: An Indepth Look

Questions to Ponder… Why would girdling, the removal of bark and vascular cambium in a narrow ring all the way around a tree, result in the death of a tree? If you remove the apical meristem from a dicot plant, what would be the effect on further plant growth? Of what value are tubers, a type of stem modification, to the survival of a plant species?

Root Tissues: Closer Look Brainstorm: If you were to design the perfect root system for a plant, how might it look like? --spidery for increase surface area --longer, to draw more nutrients and water, more spread out with less competition for resources. --sturdy to survive tough weather

Root Tissues: Closer Look

Apical meristem

Root Tissues: Closer Look Zone of Maturization

Root Tissues: Closer Look How does water pass through to get into root for transport? Symplastic Route (class exchange): Apoplactic Route (going through hall ways): Epidermis  endodermis  pericycle or cambium  xylem

Root Tissues: Closer Look How do ions get into roots?

Root Tissues: Closer Look The Hydrogen Pump (1)Uses Active transport (ATP) to move the proton (hydrogen ions) from the cytoplasm To the lysoome (or one area to another) (2) The protein changes shape to bring H ions through: The protein is conformation A When it receives an ion. Under ATP, it turns to conformation B to release the ion to the Other side.

Modified Root Systems

Plants water and mineral movement Tracheid Description: dead plant cells Separate tubes for separate directly traveling water More water can travel in more places Vessel Member Description: dead plant cells One huge tube for water transport