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Summary
| Description | The lancelet, like all cephalochordates, has a head. Adult lancelets retain the four key features of chordates: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. Water from the mouth enters the pharyngeal slits, which filter out food particles. The filtered water then collects in the atrium and exits through the atriopore. |
| Date | |
| Source | http://cnx.org/contents/GFy_h8cu@10.53:rZudN6XP@2/Introduction |
| Author | CNX OpenStax |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:52, 5 July 2016 | | 544 × 498 (151 KB) | CFCF |
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