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Watch Bill Nye the Science Guy Season 4 Episode 13 Online

  • 7.173/10
  • COUNTRIES: United States of America
  • Subtitles: English

Frogs, toads, salamanders, newts, and caecilians (worm-like animals that have backbones) are all amphibians, animals that spend part of their lives in water and part on land. Amphibians are slimy. Amphibians are cold-blooded that means their body temperature changes with the temperature outside. And as amphibians grow up, they go through metamorphosis.