Segmentation the annelid worms /
Describes the structure and functions of the segmented worm body systems, and shows that the segmented annelid worm body plan represents an important evolutionary development. The major classes of the phylum Annelida are illustrated. Animated drawings show the structure and functions of the nervous,...
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| 格式: | 圖書 |
| 語言: | English |
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Chicago, Ill. :
Encyclopaedia Britannica Educational Corp.,
1961.
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| 叢編: | EBE biology program.
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