1 Cells have chloroplasts. The green chlorophyll traps light energy.
2 This is the inside of a leaf. The top cells have many chloroplasts and no gaps. Air spaces let gases move around. Veins bring water to the cells.
3 Thin, flat leaves catch light. They have a large surface area.
4 Leaves do not overlap.
5 Guard cells let in gases through pores called stomata but can close to stop the leaf wilting.
6 Stiff, woody stems hold leaves high to get light.
7 Climbing plants twist around objects or have special “roots” along their stems. They climb up to get light.
8 Evergreens keep their leaves all year.
9 Woodland plants grow early before trees block the light.
10 Water plants have gas filled structures to float near the surface where most light is.
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