How does a tree grow?

> Green material CHLOROPHYLL traps sun energy to combine CO2 from the air with water from the soil to produce carbohydrates to form plant materials and also releases oxegen. (This is called photosynthesis - see below)
> Shoots and roots gather light, water and nutrients.
> The woody part increases circumference. Cells divide into xylem (inside) tubes to carry water and nutrients up and phloem (outside) to carry carbohydrates from leaves and needles down.


Photosynthesis

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