IGCSE Biology - 2h Transport - Flowering Plants
New Edexcel IGCSE 9-1 4BI1 syllabus for 2017
Section 2h - Transport - Flowering Plants
2.51 Understand why simple, unicellular organisms can rely on diffusion for movement of substances in and out of the cell.
2.52 Understand the need for a transport system in multicellular organisms.
2.53 Describe the role of phloem in transporting sucrose and amino acids between the leaves and other parts of the plant.
2.54 Describe the role of xylem in transporting water and mineral ions from the roots to other parts of the plant.
2.55B Understand how water is absorbed by root hair cells.
2.56B Understand that transpiration is the evaporation of water from the surface of a plant.
2.57B Understand how the rate of transpiration is affected by changes in humidity, wind speed, temperature and light intensity.
2.58B Practical: investigate the role of environmental factors in determining the rate of transpiration from a leafy shoot.
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