Simple Animals: Sponges, Jellies & Octopuses

NEWS: The Curiosity Podcast is out! Subscribe on iTunes, Google Play Music, Stitcher, SoundCloud and add the RSS feed to any podcast player. If you love it please consider leaving us a review.

Some animals, like jellyfish and simple animals, can function without hearts, brains and other vital organs.

Share the knowledge!

Key Facts In This Video

  1. A major distinction of simple animals is their tissue complexity. 00:50

  2. The first germ layers appeared about 535 million years ago. 05:42

  3. Mollusks are simple animals, yet can be very smart. 08:36

If you liked this you'll love our podcast! Check it out on iTunesGoogle Play MusicStitcherSoundCloud, search 'curiosity' on your favorite podcast app or add the RSS Feed URL.