The cuttlefish is a small-medium sized mollusc that is found throughout the ocean waters of the world. In the same way as their squid and octopus relatives, cuttlefish have a large, elongated body with tentacles surrounding their mouths.
Cuttlefish are found in large numbers throughout the world's ocean waters from the warm, tropical shallows to the cold depths of the deep ocean. Cuttlefish are well known for the "flashing" colours that are displayed on their bodies during fighting and mating. In the same way as squid and octopuses, the cuttlefish also has an ink sack which ejects ink in order to fool oncoming predators.
There are 120 known species of cuttlefish found across the
Asian elephant skin is gray in color. Some parts of their skin sometimes lack color, especially on and around the ears, forehead and trunk. This de-pigmentation is believed to be controlled by genetics, nutrition and habitat, and generally develops as the elephant ages. Brownish to reddish hair covers the bodies of young elephants. The amount of hair reduces with age, and the color darkens.
Elephant skin varies from paper thin in some places, such as on the inside of the ears, to as thick as 1 inch (2.54 centimeters) in other places, such as around the back. Despite its thickness, the skin is sensitive, having a rich nerve supply. Elephants protect their skin from the sun and bugs by r
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The desert tortoise is a medium-sized species of tortoise that is found in the south-western desert regions of Northern America, and parts of northern Mexico. The desert tortoise is most commonly known for its high, patterned shell and the fact that is lives in burrows underground.
The desert tortoise is found inhabiting the vast sandy plains and rocky foothills that are in and surround both the Mojave and Sonoran deserts. When temperatures get too high for the desert tortoise it simply digs itself a burrow into the sand where it can remain cool until the heat dies down.
The desert tortoise has a number of biological adaptations that enable the desert tortoise to survive more suc
