Write a 1-word description of each of the above.

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Presentation transcript:

Write a 1-word description of each of the above. WARM UP List the 3 basic plant tissue systems and 1 of the types of ground tissue. Write a 1-word description of each of the above.

Roots, Shoots, and Transport

Root Systems Taproot Deep primary root Fibrous Many lateral roots

Root Structure Root cap

Root Structure Root hairs Vascular cylinder

Root Functions Anchor Absorption

Root Functions Absorption Surface area

Root Functions Absorption Endodermis Casparian strip Selective permeability

Shoot Systems Vascular bundles in rings (dicots) or spread (monocots)

Shoot Functions Support Transport

Plant Transport Roots and Shoots move material through vascular tissue (tubes) Xylem (water) Phloem (sugar)

Water Transport - Xylem Dead tubes (tracheids)

Water Transport - Xylem Cohesion-Tension Model Transpiration (evaporation out of leaves) pulls on water Water moves as a column due to cohesion and adhesion

Sugar Transport - Phloem Living Sieve-tube members Companion cells

Sugar Transport - Phloem Translocation Sugar flows along a diffusion gradient

Sugar Transport – Phloem Pressure-Flow Model Companion cells load sugar in phloem (source) Water moves in (osmosis) Pressure causes flow Sugar and water out

WRAP UP Name the model of water transport. Name the model of sugar transport.

Compare and contrast the structure of stems and roots. WARM UP Compare and contrast the structure of stems and roots.

Compare and contrast the structure of monocot and dicot stems. WARM UP Compare and contrast the structure of monocot and dicot stems.