A-Level Biology Edexcel B 9BI0

4.7: Transport in plants

#4.7i

Understand the structure of xylem and phloem tissues in relation to their role in transport.

#4.7ii

Understand how water can be moved through plant cells by the apoplastic and symplastic pathways.

#4.7iii

Understand how the cohesion-tension model explains the transport of water from plant roots to shoots.

#4.7iv

Understand how temperature, light, humidity and movement of air affect the rate of transpiration.

#4.7v

Understand the strengths and weaknesses of the mass-flow hypothesis in explaining the movement of sugars through phloem tissue.

4.6
Transfer of materials between the circulatory system and cells
5.1
Aerobic respiration