Search Results: "Agnatha"

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• 12:10 Popular

  Chordates - CrashCourse Biology #24

  1,619 views / 0 likes - added 9 years ago

  Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal sarcopterygian osteich

• 10:19

  When Fish Wore Armor

  511 views / 0 likes - added 5 years ago

  Check out Hot Mess: https://www.youtube.com/channel/UCsaEBhRsI6tmmz12fkSEYdw 420 million years ago, some fish were more medieval. They wore armor, sometimes made of big plates, and sometimes made of interlocking scales. But that armor may actually have se

• 03:28 Popular

  Incredible Animation Shows How Humans Evolved From Early Life

  963 views / 1 likes - added 5 years ago

  Humans have had a long history. 3.8 million years in the making, to be precise. From the primordial puddle to the modern day, here's how humans have evolved from the first life. The following is a review of the life forms depicted in the video: Prokaryote

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• 11:41

  When Giant Scorpions Swarmed the Seas

  519 views / 2 likes - added 5 years ago

  Try Audible for 30 days visit https://www.audible.com/eons or text eons to 500500! Sea scorpions thrived for 200 million years, coming in a wide variety of shapes and sizes. Over time, they developed a number of adaptations--from crushing claws to flatten

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