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.
Plates produce different types of boundaries because they exhibit different axis of movement and towards different direction.
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.
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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.
the different types of fuels that can be used to produce electricity
the different types of fuels that can be used to produce electricity
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Yes. Different woods have different heat value.
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.