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A-Level Biology OCR A

Marsupial Placental Embryo Compare Features Mole Resemble Bc

Marsupial and placental moles resemble each other due to convergent evolution for similar niches; placental moles develop fully in the uterus with placental nourishment, while marsupial embryos develop further in a pouch after early gestation.

Marsupial and placental moles resemble each other due to convergent evolution for similar niches; placental moles develop fully in the uterus with placental nourishment, while marsupial embryos develop further in a pouch after early gestation.

Front Compare the features of the marsupial mole and the placental mole.
Back Marsupial vs placental mole:
  • Resemble each other bc adapted to fill similar niches
  • Both embryos start life in uterus
  • In placental - placenta connects embryo to mother's circulatory system in uterus, nourishing embryo and reaching high maturity before birth
  • In marsupial - embryo leaves and enters marsupium where they complete development with milk

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