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Populus tremula: Quiz


Question 1: The ________ is pale greenish-grey and smooth on young trees with dark grey diamond-shaped lenticels, becoming dark grey and fissured on older trees.
Plant stemRootBarkWood

Question 2: It is a medium-sized ________ tree growing to 10–25 m tall, with a trunk up to 1 m diameter.
PlantLeafDeciduousAutumn leaf color

Question 3: The ________ are wind-pollinated catkins produced in early spring before the new leaves appear; they are dioecious, with male and female catkins on different trees.
FruitFlowerFlowering plantSeed

Question 4: It also occurs at one site in northwest ________ in Algeria.
Scramble for AfricaAfrican UnionSub-Saharan AfricaAfrica

Question 5: In the south of its range, it occurs at high altitudes in ________.
Mountain rangeMountainLeveeLandform


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