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The key event in the transition of the amphibians from water to land is the ________

The key event in the transition of the amphibians from water to land is the ________
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  • A Replacement of the gills with lungs
  • B Possession of webbed limbs
  • C Limbs
  • D Possession of tympanic membrane
Correct Answer: Option A
Explanation:
Amphibians display some interesting and changing characteristics as they metamorphose through various forms on their way to adulthood. The frog, for instance, begins life underwater as a larva with gills and becomes and air-breather with lungs as an adult.
&therefore4; in case of draught, frog can amphibians can use lungs to breathe on land

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