Resembling or relating to the ascon type of sponge structure; having a simple sac-like body with direct water flow from exterior to interior.
From ascon + Greek -oid (resembling, like). The term allows zoologists to describe sponges that have ascon-like features even if they're technically classified differently.
Asconoid sponges prove that sometimes simple is brilliant—their streamlined design for filtering water is so effective that they need virtually no nervous system, digestive system, or brain to thrive.
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