Answer to Question 1
The gestation period is about 16 days. The young gliders, called joeys, are only about two-tenths of an inch
long. After being born, the young gliders will crawl their way into the mother's pouch, where they take hold
of one of four nipples. The nipple swells in the young glider's mouth so that it is securely attached. It will be
about two weeks before the young are large enough to be detected in the pouch. There is usually one or two in
the litter. The young gliders will remain attached to the nipples for approximately 30 to 40 days and remain in
the pouch for another 30 days. At about 60 to 70 days (86 days after conception), the young gliders will leave the
pouch, returning occasionally for warmth, security, and to nurse. At this point, they are fully furred, and their
eyes are open. Weaning takes place at about 105 to 125 days (121 days after conception). Young gliders will
become sexually mature at about eight months of age.
Answer to Question 2
After young marsupials are born, they will travel up their mother's belly and into the pouch. Once inside
the pouch, the young will attach themselves to a nipple, where they are nourished. The young remain in the
pouch until they are strong enough to venture outside the pouch. They will return to the pouch for warmth
and nourishment.
Placental mammals do not have a pouch in which the young are raised.
Risk-taking behavior by young males.
The Stages of Labor and Birth in a Vaginal Delivery
Brown Eye Color
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