Pouches are a peculiarity of marsupials.腹袋是有袋动物的特色.Photoreactivation systems have been found in many organisms from bacteria to marsupials.在从细菌到有袋类动物的许许多多有机体中,已经发现光致反应系统.The wombat and kangaroo are both marsupials in Aus...
...arboreal marsupials which resemble monkeys.和猴类相似的树栖有袋动物Kangaroos, opossums and wallabies are also marsupials.袋鼠, 复鼠和小袋鼠都是哺乳动物.There are more than 130 species of marsupials, such as kangaroos, koalas, and wombats.这里有13...