'Sieve plates' presentation slideshows

Lesson 3: Stems & Roots

Unit 5 Plants. Lesson 3: Stems & Roots. Functions of Stems. Economic value: wood products/lumber Connect the vascular tissue in the leaves to the vascular tissue in the roots, allowing water and dissolved substances to be transported throughout the body. Function of Stems.

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Plant Tissues

1.22k views • 37 slides

Plants

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Phloem Tubes

Phloem Tubes. Function of Phloem. transports organic substances (sucrose) made by plant during photosynthesis mostly away from leaves to storage organs transport referred to as translocation Solutes move up and down phloem unlike movement in xylem. Structure of Phloem.

1.43k views • 27 slides

Plant Systems

Plant Systems. REVISE. TO DO Label the cross section of the leaf on your worksheet Chloroplast Stoma Lower epidermis Air Spaces Upper epidermis Spongy Mesophyll Cuticle Palisade Mesophyll Guard cells Oxygen Carbon Dioxide . AUTOTROPHS. What does this mean?

336 views • 22 slides

Transport in Plants

Transport in Plants. Learning Objectives. Features of effective transport systems in plants. Nature of waste products and excretory mechanisms and systems in plants. Features of effective surfaces of gaseous exchange; mechanisms and systems of gaseous exchange in plants; process of diffusion.

347 views • 19 slides

Vessel Design

Vessel Design. Tall Vertical Vessel. Design of Tall Vertical Vessels (L > 6 m ).

458 views • 17 slides

Plants Part 2: Stems

Plants Part 2: Stems. Text ref 12.3. Functions. Connect vascular tissue of leaves to roots Transport Raise and support leaves and reproductive organs Maximize sunlight Position for pollination Some are specialized for photosynthesis, storage, protection. Structure.

290 views • 11 slides

2h. Plant transport

2h. Plant transport. Describe the role of phloem in transporting sucrose and amino acids between the leaves and other parts of the plant . Describe the role of the xylem in transporting water and mineral salts from the roots to other parts of the plant.

266 views • 10 slides

http://bcs.whfreeman.com/thelifewire/content/chp36/36020.html

http://bcs.whfreeman.com/thelifewire/content/chp36/36020.html. Some Details about Differentiation of a sieve-tube element ( a ) The mother cell of the sieve-tube element undergoing division.

193 views • 3 slides