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6 Cards in this Set
- Front
- Back
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All members of phylum chordata share 5 characteristics: |
1. A notochord 2. A dorsal, hollow nerve chord 3. Pharyngeal slits 4. A subpharyngeal gland 5. Post-anal tail (At some point in their life) |
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Notochord |
A slender rod that develops from the mesoderm in chordates. Flexible laterally and resists shortening. |
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Dorsal nerve cord |
Above notochord, and hollow along entire length. |
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Pharngeal slits |
Supports feeding and repiratory activities. |
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A subpharnygeal gland |
Involved in filter feeding, an endocrine gland that produces 2 major hormones. |
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Postanal tail |
Posterior elongatiom of body extending beyond the anus. |
