Blue is a color that has its own beauty. This color is much preferred because it gives an attractive impression. But apparently, its existence in nature is very rare, you know.
In fact, there are only a few plants and animals that have a blue color. If we dig deeper, it turns out that the blue color of the plants and animals is not true blue, but the result of physical and chemical tricks. How could that be? Let’s see the following explanation!
1. No true blue pigment
Reported The University of Adelaide, plants and animals that look blue are not actually blue. The color is the result of chemical reactions or physical tricks resulting from the evolution of body structure over the years, so that it can give rise to a blue color.
The Helix Initiative launch, blue light has a shorter wavelength and higher energy. It takes a lot of energy to reflect it so naturally, plants and animals will absorb the color instead of emitting it naturally.
2. The blue color of flowers is the result of a chemical reaction, not the original pigment color
Flowers that are famous for having a blue color are blue nemophila. The Helyx Initiative launch, blue color on blue nemophila arises as a result of the pigment reaction anthocyanin, namely the red, blue, and purple pigments, as the original pigments nemophila with the acidic pH of the environment.
However, the acidity in the environment can vary. Therefore, blue nemophila will only be blue under certain conditions and will return to red when the pH required to turn blue is not reached.
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3. Animals have a harder time getting the blue pigment
If Blue Nemophila can still use chemical reactions to get the blue color, it’s different with animals. It could be said, they will actually adjust to what they eat.
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A popular example of animal pigment colors adapting to their diet can be seen in the flamingo. Smithsonian Magazine reported, the pink color in the bird is the result of pigment accumulation carotenoid contained in shrimp and algae which are the main food. If in fact there were no plants that had blue pigment, it would be impossible to say that there would be such colored animals.
4. Certain animals use physics tricks to get blue
Science Mag launch, blue morpho butterfly can give rise to a blue color due to the microscopic structure on their wings. The structure works in such a way that only blue light is reflected, giving the impression that they are blue.
Reported Science ABC, bird blue jay (Cyanocitta cristata) has a microscopic, bead-like structure on its wings that is much more complex than blue morpho butterfly. Although the structure is more complex, but the way it works is the same, which only reflects blue light. The advantage, the resulting blue color will be sharper and more stable. This event is known as Rayleigh scattering.
5. There are only two animals with true blue pigment color
Reported The Helix Initiative and Australian Geographic, so far scientists know only two types of animals with true blue pigment, namely butterflies olivewing and mandarin fish (The magnificent Synchiropus). Words Olivewing has a true blue hue on its wings. Likewise with mandarin fish that produce a blue pigment called cyanophore.
6. Japanese scientists succeeded in developing the blue color of chrysanthemums
Because of the rarity of blue in nature, scientists are interested in investigating this further. Reported Treehugger, in 2017, scientists in Japan have conducted an experiment to create a blue color gene in flowers chrysanthemum or chrysanthemum.
They combined the genes of two blue flower-producing plants, namely butterfly pea and canterbury bells with genes from chrysanthemum. The result, obtained blue chrysanthemum flowers.
After reading the explanation above, we can see that the color blue is indeed very difficult to find in nature. Now you understand that plants and animals that look blue may not actually be blue.
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