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Tree Biology

Across
Counting these bud scars on a deciduous branch can tell you how many years old it is (8)
Vascular system which transports water and nutrients (5)
Vascular system located under the bark (6)
Transpiration is driven by ______ (9)
The main substance of plant cell walls allowing flexibility (9)
Formed by overlapping tissues at the branch/ stem junction (6)
The primary function of leaves (14)
Bark provides this to trees to help maintain internal temperatures (10)
Pores in the bark allowing for gaseous exchange (9)
Trees with a single leader and upright growth habit (9)
Stems of equal size arising from the same position on a stem co- ________ (8)
The wood from angiosperms (8)
Composed of similar cells which together form plant organs (7)
Specialised functional plant parts such as roots, leaves (6)
Root ____ are responsible for water and nutrient uptake (5)
Reaction wood formed in dicots (7)
Down
Xylem wood which contains living cells for water transport (7)
Dead xylem wood with the main function of mechanical support (9)
Basic building blocks of living things (5)
A point of growth in plants (8)
Produces xylem to the inside and phloem to the outside - the vascular _____ (7)
Trees which develop a broad canopy as they mature (9)
Growth of woody plants resulting in an increase in stem girth (9)
A function of bark (10)
Reaction wood formed in conifers (10)
Provides compressive strength to the plant cell wall (6)
Shoots which may be produced as a result of stress and are weakly attached (9)
Conifers may also be known as __________ (9)
As well as the environment and hormones, will largely influence tree growth (8)
Up to 80% more starch is stored in roots than in the ______ (5)
New xylem produced each year can be seen as growth _____ (5)
Mychorrizal fungi provide a symbiotic relationship with some plant _____ (5)
Connect phloem to sapwood and heartwood and provide a storage centre (4)
The hormone responsible for providing primary growth in plants (5)