Sponges: Time-lapse of Sponge Cells Recombining

Length: 
1:03

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

Standard:

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

7th Grade California Life Science Standards

Standard:

Sponges were the first organisms to be composed of specialized cells.

Standard:

Sponge cells show the first step toward complex animals. They can communicate with each other and some are specialized for a particular function.

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