วันอังคารที่ 8 มีนาคม พ.ศ. 2554
Chaetopterus: The Parchment Worm
Chaetopterus also known as parchment worm or parchment tubeworm is a member of the phylum Annelida. The parchment worm is a marine polychaete worm that dwells in the tube which it constructs by sediments or attaches to any coral reef substrate. It is known as parchment worm because of the parchment type of tube the worm makes. They are filter feeders and the adults dwell completely throughout their entire lives in the tube unless and until the tube is destroyed or damaged somehow. The young ones feed on planktons which is a typical feature among the phylum Annelida.
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