A female kangaroo can produce three different types of milk to cater for the different needs of her joeys. These different types match the unique nutritional needs of the joeys.
It is not unusual for a female kangaroo to have two different aged joeys in her pouch at the same time. A newborn joey may enter the pouch at the same time as an older joey is almost ready to leave. Meanwhile, an older joey may sometimes come for an occasional drink prior to full independence.
Yes. The nipples, from which the tiny joeys derive their nourishment, are located in the pouch. The mother can produce two different types of milk to suit the needs of two different aged joeys. She might have a more mature joey that spends less time in the pouch, while a very young embryo has attached itself to a teat. Each joey has different milk requirements - which the mother is able to supply.
Yes. Twins are uncommon, yet the mother kangaroo can easily have two differently aged joeys in her pouch at the same time. She is capable of producing two different types of milk to suit the different needs of the joeys.
Plates produce different types of boundaries because they exhibit different axis of movement and towards different direction.
Fruits are different from other types of produce because they develop from the ovary of a flower and contain seeds. This distinguishes them from vegetables and other types of produce that come from different parts of the plant.
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Kangaroos are uniquely adapted to survive life in Australia, a country that suffers frequent droughts.Some of the adaptations that enable them to survive are:The mother kangaroo spends most of her adult life pregnant, but in drought times, she has the ability to indefinitely "freeze" the development of the young embryo until food sources are replenished.The mother can also produce two different types of milk to suit the needs of two different aged joeys. She might have a more mature joey that spends less time in the pouch, while a very young embryo has attached itself to a teat. Each joey has different milk requirements - which the mother is able to supply.
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Baby joeys are born about 2cm long. They have to get to the mother's pouch, so the mother licks a path from the birth canal to the pouch. Once there, the young joey attaches to a nipple, which swells in its mouth, securing it in place while it continues its development in the mother's pouch. The joey spends about 6-8 months in the mother's pouch being nursed. In the initial stages, the joey stays attached to the teat until it is ready to begin being independent. A mother kangaroo is capable of having more than one joey of different ages in the pouch at the same time, feeding on different types of milk.
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the different types of fuels that can be used to produce electricity
the different types of fuels that can be used to produce electricity
Heterosporous plants are those that produce two types of spores that differ in size and sex. In particular, they produce two morphologically distinct types of sporangia (megasporangia and microsporangia) that create two distinct types of spores (megaspores and microspores). The spores then develop into separate male and female gametophytes. They are different from homosporous plants in which the sporophyte produce a single type of sporangium and then a single type of mother spore cell.