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orphaned baby kangaroo with a teddy bear
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Orphaned Baby Kangaroo With A Teddy Bear

Because of its grazing, kangaroos have developed specialised teeth. Its incisors are able to crop grass close to the ground, and its molars chop and grind the grass. Since the two sides of the lower jaw are not joined together, the lower incisors are farther apart, giving the kangaroo a wider bite. The silica in grass is abrasive, so kangaroo molars move forward as they are ground down, and eventually fall out, replaced by new teeth that grow in the back. This process is known as polyphyodonty and amongst other mammals, only occurs in elephants and manatees.
• Absence of digestive methane release
Despite having herbivorous diets similar to ruminants such as cattle, which release large quantities of methane through exhaling and eructation (burping), kangaroos release virtually none. The hydrogen byproduct of fermentation is instead converted into acetate, which is then used to provide further energy. Scientists are interested in the possibility of transferring the bacteria responsible from kangaroos to cattle, since the greenhouse gas effect of methane is 23 times greater than that of carbon dioxide, per molecule.

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Filename:688872.jpg
Album name:Fauna & Flora
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Keywords:#orphaned #baby #kangaroo #teddy #bear
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Date added:Aug 09, 2015
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