What is positive pressure?

What is negative pressure?

What are the challenges of +? (4)

What are the solutions for +? (4)

What are the challenges of -? (4)

What are the solutions for -?

Describe the circulatory system in plants

What are the challenges of plant transport?

What solutions can the plant do to overcome this? (7)

Hypertonic:

Isotonic:

Hypotonic

What are the 2 transport systems in plants?

What is the structure of the xylem?

What do the xylem transport?

What is the structure of phloem?

What do the phloem transport?

What do both transport systems transport?

What are the tracheary elements

How do these cells arise?

Describe this process of elongation

What happens when elongation stops?

Compare water movement through vascular bundles

What movement of materials occurs in xylem?

How and what sort of pressure is generated?

Why is lignin essential for this type of pressure?

Describe transpiration

What sort of pressure is generated?

What is transpiration cohesion-adhesion?

How does this adhesion assist in water flow?

Describe phloem

What is the function of the companion cell?

Describe the sieve tube member

Describe bulk flow in the phloem

Diargram for monocot root architecture

Diagram for dicot root architecture

How is traffic of molecules regulated in plant transport?

What is the apoplast route?

What is symplast route?

What is the transmembrane route?

Which is the fastest and slowest route?

How is apoplast transport blocked?

Why is this important?

How is gravity defied?

How does capillary action work?

Negative pressure

What does gravity limit?

Why is control over transpiration necessary?

How do stomata open?

How is water transported?

How do stomata close?

Describe directional changes to phloem flow as organs develop

Why aren't photosynthesising young leaves sources?

Draw basic dicot stem morphology