photoperiodism |
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| navigate by keyword : acreage autumn botany boy boyhood carotene casual changing child childhood children chlorophyll clothes colors colourful contentment country countryside deciduous easy enjoyment environment expression face fall foliage forest going golden grass green grove holding inactive kids leaf leaves leisure life lifestyle looking ltkidspics lying male mother nature observing outdoors park parkland people person photoperiodism photosynthesis playful playing pre recreation relaxed rest resting rural scene season seasons senescence studies teen trees vacation weekend woods xanthophyll yellow young youth |
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| A child resting under a deciduous tree and playing with fallen autumn leaves. The process of leaves changing colour is called photoperiodism, the ability of plants to measure length of light and adjust accordingly - please note 400iso f7 |
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