Sponges: Time-lapse of Sponge Cells Recombining


Sponges are the only animals that if broken down to the level of their cells, can reassemble themselves.
A sponge is passed through a sieve to break apart its cells. The cells recognize each other and reform into small new sponges.

Next Generation Science Standards for this Video

Sponge cells show the first step toward complex animals. They can communicate with each other and some preform specialized functions.