Sponges

Sponges are filter-feeders.

Sponges live at the bottom of the sea.

The subtidal reefs host a myriad of sponges, anemones and corals, whose presence converts the dark rock to fields of vibrant color.

When the creatures below the ice die, they sink to the bottom of the ocean and provide nutrients for sponges, sea anemones, and other bottom dwelling creatures.

Sponges are porous.

Forests are massive sponges of carbon dioxide.

The researchers believe that it is not only people that share a genetic link to sea sponges, but most likely the entire animal kingdom.

Humans are just very weird sponges.

Humans are just very strange sponges.

Because forests are massive sponges of carbon dioxide, reversing their loss would play an outsize role in fighting climate change.