Fallen tree, climbing ivy
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Image of the day – 192
What’s in an image? Sometimes quite a lot, more than meets the eye. I’m posting an image every few days.
This old tree trunk, clearly felled by chainsaw, is being colonised by ivy. Once the tree stood tall and strong and it’s likely that ivy clung to its trunk and branches. Now the tree lies on the ground, entirely dead, but ivy still uses the trunk as a support to grow upwards to continue to reach the light.
No giving up
Life is not in the habit of giving up, generations come and go, no individual tree, person, or anything else lasts for ever, not even a species. But life itself adapts, changes, and takes advantage of what went before. There has been life on planet Earth for around four billion years, that’s only 500 million years after the planet itself was formed. And it’s developed enormously in variety and complexity since chemistry first gave rise to biology.
We’re still filling in the gaps in what we know, but our knowledge is expanding and the gaps are shrinking. What we do know is that living things are very good at taking advantage of circumstances. That’s what the ivy is doing on the dead tree trunk. The need for sunlight is critically important for plants as the energy from that light allows them to build sugars from water and carbon dioxide. A stock of sugars enables them to survive the nights where the sun is absent, and survive the long, dark, cold, winter months as well.
All forms of life are precious and we depend on many of them to provide food, purify water, generate the oxygen we need to breath, clean away life forms that have died, and much, much more.
Animals of all kinds and sizes ultimately depend on the sugars made by plants. Many animals feed on plants, stealing their sugars in a variety of forms, some feed on other animals, stealing sugars in secondhand forms; some, like us humans, eat both plants and animals. But almost all life depends ultimately on sunlight for its supply of energy.
That same great source of light also informs us, lets us see. Without light, eyes would be of no value whatsoever. Without light we would all be profoundly blind.
Jesus said, ‘I am the light of the world’. What does he mean by that? Is he saying that he is a light without which we’d be profoundly blind?
I think that’s exactly what he’s saying. Light is essential for vision and vital energy. The sun enables physical vision and energy. Jesus provides another kind of vision and energy. Search it out!
See also:
- Animals – Wikipedia
- Light – Wikipedia
- Light of the world – Bible Gateway
- Reflected light – Bible Gateway
- The Sun – Wikipedia
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