How Earth's First, Unkillable Animals Saved the World
By PBS EonsFrom boclips.com
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They have survived every catastrophe and every mass extinction event that nature has thrown at them. And by being the little, filter-feeding, water-cleaning creatures that they are, sponges may have saved the world.
Tags
Explainer
Life Sciences
Biology
Physical Sciences
Astronomy
Geography and Earth Science
Physics
Chemistry
Advanced Secondary
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