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Tree Biology

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