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The koala (Phascolarctos cinereus), sometimes inaccurately called the koala bear, is an arboreal herbivorous marsupial native to Australia. It is the only extant representative of the family Phascolarctidae .
Koala (Phascolarctos cinereus) Marsupials have the typical characteristics of mammals—e.g., mammary glands, three middle ear bones, (and ears that usually have tragi, [3] varying in hearing thresholds [4]) and true hair. [5] There are, however, striking differences as well as a number of anatomical features that separate them from eutherians.
Diprotodontia (/ d aɪ ˌ p r oʊ t ə ˈ d ɒ n t i ə /, from Greek "two forward teeth") is the largest extant order of marsupials, with about 155 species, [2] including the kangaroos, wallabies, possums, koala, wombats, and many others. Extinct diprotodonts include the hippopotamus-sized Diprotodon, and Thylacoleo, the so-called "marsupial ...
The koala is listed in national conservation legislation as "Phascolarctos cinereus (combined populations of Qld, NSW and the ACT)", previously determined in 2012 to be "a species for the purposes of the EPBC act 1999" . [7] The koala was classified as Least Concern on the Red List, and reassessed as Vulnerable in 2014. [8]
The Phascolarctidae (φάσκωλος (phaskolos) - pouch or bag, ἄρκτος (arktos) - bear, from the Greek phascolos + arctos meaning pouched bear) is a family of marsupials of the order Diprotodontia, consisting of only one extant species, the koala, [1] and six well-known fossil species, with another six less well known fossil species, and two fossil species of the genus Koobor, whose ...
Stylised diagram of the last part of the insect's digestive tract showing malpighian tubule (orthopteran type)The Malpighian tubule system is a type of excretory and osmoregulatory system found in some insects, myriapods, arachnids and tardigrades.
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A hand is a prehensile, multi-fingered appendage located at the end of the forearm or forelimb of primates such as humans, chimpanzees, monkeys, and lemurs.A few other vertebrates such as the koala (which has two opposable thumbs on each "hand" and fingerprints extremely similar to human fingerprints) are often described as having "hands" instead of paws on their front limbs.