| 31. | Synteny analysis indicates that there were 17 chromosomes in the last common ancestor to the Chordates.
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| 32. | Humans and other chordates are conspicuous examples of organisms that have metameres intimately grouped into tagmata.
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| 33. | Stomochords were initially considered a variant of a primitive notochord, a defining feature of chordates.
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| 34. | Among chordates some fishes and mammals have suckers, which are used as holdfast to substrata.
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| 35. | The duplication event likely occurred sometime in the chordate lineage near the divergence of the coelacanth.
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| 36. | "So much for chordate uniqueness marked by slightly later evolution, " he wrote.
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| 37. | One of its cousins would be direct progenitor to the line of chordates that vertebrates belong to.
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| 38. | The process is similar in zebrafish and other chordates, such as the chicken and the mouse.
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| 39. | indicates extinct taxon Some palaeontologists contend that because Conodonta are chordates, they are primitive fish.
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| 40. | In addition, the presence of alkaloids in the plant prevents insects and chordate animals from eating it.
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