| 单词 | Nemertina |
| 例句 | The Nemertina were formerly classed with the much less advanced Turbellaria. The Evolution of Man — Volume 2 They are related, on the one hand, to the Nemertina and their immediate ancestors, the Platodes, and to the lowest and oldest forms of the Chordonia on the other. The Evolution of Man — Volume 2 It is true that the actual representatives of the important groups of the Copelata, Balanoglossi, Nemertina, Icthydina, etc., have more or less departed from the primitive model owing to adaptation to special environment. The Evolution of Man — Volume 2 In some of the Nemertina the blood is already coloured, and the red colouring matter is real haemoglobin, connected with elliptical discoid cells, as in the Vertebrates. The Evolution of Man — Volume 2 |
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