Sea Sponges Were Earth's First Animals
The shapeless sea sponge, one of Earth's more bizarre creatures, is likely the first and most ancient animal.
The first animal on Earth was likely a sea sponge.
Eons: How Earth's First, Unkillable Animals Saved the World
What did the earliest animals look like?
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Sponge - Wikipedia
Sponges can survive low oxygen and warming waters. They could be
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MIT researchers say Earth's first animal was most likely a humble
A sea sponge the size of a minivan could be one of the world's
Paleontology News
Economically Premi Sea sponges could save our lives, if we don't
Sea sponges need oxygen, as fish and people do
