* The genus of the North American opossum is ___________.
* Of the 4 to 24 young born in a litter, only ________usually survive.
* How long is the gestation period of the female opossum?
* Young opossums are about the size of a __________ when born.
* The baby opossum is called a _______ .
* How many teeth does the opossum have?
* Just before Europeans arrived in Australia, koalas appear to have been widespread but at very low abundance. This was probably the result of ?
* Many of the Aboriginal tribes believed that the koala controlled the ?
* The Queensland male koala has an average body weight of 6.5kg. What is the average body weight of the Victorian male koala ?
* Koalas are marsupials and give birth to a single young in mid-summer. At birth, the koala is ?
* After five months, weaning commences. This is initiated when the mother ejects partially digested leaf, known as 'pap' from her ?
* A baby koala is called a ?
* After the start of weaning, where does the baby koala spend another six months?
* Koalas are very fussy eaters. The major part of their diet is formed by ?
* Koalas are arboreal, spending most of their time in trees. They are also ?
* Koalas change trees frequently. How do they do this?
* How many fresh leaves will a koala eat daily?
* For how long do koalas sleep?
* Sexually mature at 2 years, when do koalas reach their full body size?
* What is the gestation period of the koala?