Cambridge AS & A Level Biology
7.1Structure of transport tissues
Structure of transport tissues in Cambridge AS & A Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic19 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 7.1.1Draw plan diagrams of transverse sections of herbaceous dicotyledonous stems, roots and leaves.
- 7.1.2Describe the distribution of xylem and phloem in those sections.
- 7.1.3Draw and label xylem vessel elements, sieve tube elements and companion cells.
- 7.1.4Relate the structure of xylem vessel elements, sieve tube elements and companion cells to their functions.
Lessons
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Xylem and phloem: structure, distribution and plan diagrams
35 min
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