First slide

The Leaf

Question

Long thin _ petiole allows the leaf blade to flutter in wind, thereby cooling of the leaf and bringing _ air to leaf surfaces.

Easy

A

hard, fresh
B

flexible, fresh
C

hard, Rigid
D

rigid, fresh

Solution

The petiole help hold the blade to light. Long, thin flexible petioles allow leaf blades to flutter in wind, thereby cooling the leaf and bringing fresh air to leaf surface.

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