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eljose79
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from a physical argument if plantes were black they would absorbe more energy from the sun then..why clorophile is green anbd why the plants are green?..
eljose79 said:from a physical argument if plantes were black they would absorbe more energy from the sun then..why clorophile is green anbd why the plants are green?..
Mike H said:Chlorophyll is green because there's a magnesium in the porphyrin group. (Iron, for example, in a porphyrin group typically results in a reddish color as one finds in hemoglobin.) Plants are green because chloroplasts are green, which is where photosynthesis in plants occurs. Chloroplasts are green since they contain chlorophyll. Chloroplasts are actually the results of a symbiotic alliance from the depths of evolutionary time between a eukaryotic cell and cyanobacteria (aka blue-green algae).
Actually, there's a simple explanation for why photosynthetic organisms don't absorb across the visible explanation. It's the idea of a "spectral niche" - the first photosynthetic organism(s) had a delightful old time when they finally could do photosynthesis, as there was no competition for being able to harvest light from the sun. When other players showed up on the scene, it made no sense to try to outcompete the originals at their own game, so those which could tweak their absorption to different wavelengths were the ones who stayed in the game. As such, evolutionary pressures prevented the situation presented in the original post from occurring, although it makes sense in terms of the physics.
Plants are green because of a pigment called chlorophyll, which is responsible for absorbing light energy from the sun. This energy is then converted into chemical energy through the process of photosynthesis, allowing plants to produce their own food.
The main role of chlorophyll is to absorb light energy and use it to produce food through photosynthesis. It also gives plants their green color.
Green is the most common color for plants because chlorophyll is the most efficient at absorbing light in the green spectrum. This is because the sun emits the most energy in the green part of the spectrum, making it the most useful for photosynthesis.
Yes, there are other factors that can contribute to a plant's green color. For example, some plants may have additional pigments such as carotenoids or anthocyanins, which can give them a different shade of green or even a different color. Additionally, the thickness and density of a plant's leaves can also affect its overall green coloration.
While green is the most common color for plants, there are some plants that have evolved to be a different color. For example, some plants in shady environments may have adapted to have darker leaves in order to absorb more light. Other plants may have evolved to have a different color in order to attract pollinators. However, all plants still contain chlorophyll and rely on it for photosynthesis, regardless of their color.