Hank the octopus uses numerous defense mechanisms to hide, sneak around, and protect both himself and Dory from danger. These mechanisms include the expulsion of ink and camouflage.
The Croods cover themselves with flowers to trick other, predatory flowers not to eat them. In the animal kingdom, camouflage is a strategy used by predators and prey to aid in their survival.
Bill Nye introduces reptiles and explains how they are able to live in different environments around the world by regulating their own body temperature. As cold-blooded organisms, they don't keep the same body temperature throughout the day.
Dory drops the scubadiving goggles that she and Marlin found, and they swim to the abyss to find them. In the darkness, they find a light emitted from an anglerfish, which attempts to prey on them. Marlin distracts the anglerfish and directs its light to the goggles so that Dory can read the address on them.
The Kratts brothers find a golden pheasant in China and admire its beauty. The bird's most notable feature is its dazzling assortment of colors. The brothers watch it in its natural habitat and observe that it stays out of the sun to protect its colors, which help it attract mates.