A sponge might not look like much, but these simple animals with no brain or ability to move have lived on Earth for hundreds of millions of years. They can hunt prey and spawn, and Jonathan demonstrates how in this fascinating segment about the biology of sponges!
**********************************************************************
If you like Jonathan Bird's Blue World, join us on Facebook!
https://www.facebook.com/BlueW...
Or Twitter!
https://twitter.com/BlueWorld_...
On the Web:
http://www.blueworldTV.com
**********************************************************************
Originally collected by
fetching...
(
less)