 | An explanation of photosynthesis, pigments, and chlorophyll--all of which contribute to the phenomena of leaves changing color. |
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 | An explanation of photosynthesis, pigments, and chlorophyll--all of which contribute to the phenomena of leaves changing color. |
 | An explanation of photosynthesis, pigments, and chlorophyll--all of which contribute to the phenomena of leaves changing color. |
| Explains how leaves change their colors in autumn and then separate from the tree as the tree prepares for winter. |
 | Explains how leaves change their colors in autumn and then separate from the tree as the tree prepares for winter. |
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