The Colour Blue in Nature (scroll down for the answers)
Blue is one of the rarest colours in nature, yet it is one of the most striking. _________ other colours, blue is often not produced by pigments _______ by the way light reflects off surfaces. For example, the vibrant blue of a butterfly’s wings or a peacock’s feathers comes from microscopic structures _______ scatter light, creating a shimmering effect.
In the natural world, blue often symbolizes calm, depth, and distance. The vast sky and the deep ocean are ________ blue, creating a sense of openness and infinity. Some flowers, _______ as the bluebell or forget-me-not, have evolved blue petals to attract specific pollinators like bees.
Interestingly, blue is _______ common in animals and plants than colours like green or brown. This rarity makes ______ all the more special when it appears. _________ it's the icy blue of a glacier, the flash of a kingfisher’s feathers, or the delicate tint of a mountain lake, blue in nature ________ fails to capture the human imagination.
Sound and Vision, David Bowie
Animals can't be blue
The Colour Blue in Nature
Blue is one of the rarest colours in nature, yet it is one of the most striking. _UNLIKE__ other colours, blue is often not produced by pigments _BUT__ by the way light reflects off surfaces. For example, the vibrant blue of a butterfly’s wings or a peacock’s feathers comes from microscopic structures _THAT/WHICH__scatter light, creating a shimmering effect.
In the natural world, blue often symbolizes calm, depth, and distance. The vast sky and the deep ocean are both blue, creating a sense of openness and infinity. Some flowers, __SUCH__ as the bluebell or forget-me-not, have evolved blue petals to attract specific pollinators like bees.
Interestingly, blue is _LESS_ common in animals and plants than colours like green or brown. This rarity makes _IT__ all the more special when it appears. __WHETHER__ it's the icy blue of a glacier, the flash of a kingfisher’s feathers, or the delicate tint of a mountain lake, blue in nature _NEVER___ fails to capture the human imagination.
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