white fat in land raccoon people to have ease touch & a prey is a mean of plant ->  black ink in water causes predators to have difficulty seeing  black ink in water causes predators to have difficulty seeing & compound shut_up white gathering into land ->  octopuses releasing ink into the water causes predators to have difficulty seeing the octopus  octopuses releasing ink into the water causes predators to have difficulty seeing the octopus & usage gourd inability to be seen increase for decays -> ink is used for hiding from predators by octopuses