biitumen: Dilation and constriction of these organelles, called chromatophores, are responsible for the squid’s ability to change color. Inside Nature’s Giants: The Giant Squid (2010)

biitumen: Dilation and constriction of these organelles, called chromatophores, are responsible for the squid’s ability to change color. Inside Nature’s Giants: The Giant Squid (2010)

tags: inside my mind,

from: https://savanita.tumblr.com/post/78689763942