Xylem and phloem — Normal
Apply the topic independently and explain your method. No hints during the test.
Includes extension practice
Xylem/phloem functions and positions are required. Detailed xylem-vessel wall and cell-structure adaptations in the shared set go beyond these outcomes.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge 0973 syllabus2028–2029 · B8.1.1–2
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