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Watch Bill Nye the Science Guy Season 4 Episode 15 Online

  • 7.162/10
  • COUNTRIES: United States of America
  • Subtitles: English

Worms, squid, clams, and flies are spineless creatures. They’re not afraid, they’re invertebrates – animals that don’t have backbones. Invertebrates are everywhere. You can find invertebrates in the sea, in freshwater, and on land. There are about 30 times more invertebrates than vertebrates on Earth.