Jumat, 19 Oktober 2012



The Biggest Animals Kingdom and in The World | Opossum | Didelphimorphs are marsupials small and medium enterprises, with the greatest excess of the size of a large house cat and the smallest the size of a small mouse. The incisors are very small, large canines and molars of the tricuspid valve. Didelphimorphs plantigrade stance (feet flat on the floor) and hind legs have clawless opposable digit. As some New World monkeys have prehensile tails possums. Like all marsupials, the awn hair hair only, and the females have a pouch. The tail and legs are scales. In particular, the twins opossum is a penis-shaped gland named fork generic (Greek for "brothers") Didelphis

Opossums have an incredibly strong immune system, and show partial or total immunity to the venom of rattlesnakes and other snakes moccasin. Opossums are about eight times less likely to carry rabies than wild dogs and about 800 opossums are infected with this virus As a marsupial, the opossum has a reproductive system including a divided uterus and marsupium, the bag is. Opossums no placenta, but short design, simple and unlike placental mammals is not fully functional. The species are moderately sexually dimorphic, with males usually slightly larger, heavier and larger dogs than females. The biggest difference between mammals and marsupial possum penis male and female branches fork vaginal (the origin of the Latin word "Didelphis", ie two wombed). Opossum sperm sperm has a conjugate form matching pairs in the epididymis.

bound pairs dissociate into separate sperm before fertilization. Female opossums often give birth to a large number of young people, most of which are not tied to a teat, although as many thirteen young can attach, and therefore survive, depending on species. As nocturnal animals, they favor dark, secure areas. When "Playing Possum" animal's lips back, teeth bared. Saliva foams around the mouth, eyes closed or semi-closed, and the smelly liquid His anal glands rigidly curly can be pushed, again without even animals usually reactionThe again. Threatened opossums (especially males) growling deeply, raising their pitch as the threat becomes more urgent. When separated or distressed, baby opossums will make a sneezing noise to signal their mother. When threatened, the baby opens his mouth and breathe quietly until the threat is gone. Or whining noise is a defensive process that helps the opossum deter other animals approaching. 

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