A genus of sponges found in marine environments, characterized by a particular structure of pores and channels.
From Greek 'aktis' (ray) + 'pyle' (gate or opening). A scientific taxonomic term created in the 19th century for marine biology classification.
Sponges are so strange and wonderful that scientists named one group 'actipylea' meaning 'rays with gates'—because these sponges have specialized structures that look like radiating openings. They filter ocean water through these structures to eat microscopic food!
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