**Interesting!** ***I watched a video and thought "How do animals chan ...
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Interesting!
I watched a video and thought "How do animals change color on demand" and this is why.
Link 1~ https://www.thoughtco.com/camouflage-129662
Link 2~ https://ocean.si.edu/ocean-life/invertebrates/how-octopuses-and-squids-change-color