Are sponges the oldest animals? What kind of sponge is that square-panted yellow idiot with the pineapple? Are the inner skins of sponges made up of sperm? From SpongeBob to nature, we're talking sponges today.

Full show notes, references, and transcript: https://katehildenbrand.com/porifera-from-spongebob-to-nature/  

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