Why do plants have leaves? Photosynthesis Light Energy + 6CO 2 + 6H 2 O ---> C 6 H 12 O 6 + 6O2.

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Presentation transcript:

Why do plants have leaves? Photosynthesis Light Energy + 6CO 2 + 6H 2 O ---> C 6 H 12 O 6 + 6O2

Plant Cell

Chloroplast

Stems have a lot of tissue volume that needs energy to support metabolic activities Stems have very little surface area Leaves add surface area but very little additional interior to support Why Do Plants Have Leaves?

Cacti Succulent Plants

Why Are Leaves Different Thickness? Sun leaves Shade leaves

Stomata

Adaptation for Protection From Ozone

Why Do Some Leaves Have Trichome? Sycamore Leaf

Phototropic

Light

Electromagnetic Spectrum

The ALTA Reflectance Spectrometer

Remote Sensor Imaging

Post Lab Discussion….

Young Leaf Mature Leaf

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