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प्रश्न
Viviparity is considered to be more evolved because ______.
पर्याय
the young ones are left on their own
the young ones are protected by a thick shell
the young ones are protected inside the mother's body and are looked after they are born leading to more chances of survival
the embryo takes a long time to develop
उत्तर
Viviparity is considered to be more evolved because the young ones are protected inside the mother's body and are looked after they are born leading to more chances of survival.
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