Variation and its causation in earthworm
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Moment, Gairdner B.
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Article
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1974
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John Wiley and Sons
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English
β 547 KB
## Abstract The coefficient of variation for the number of segments regenerated posteriorly by earthworms (__Eisenia foetida__) rarely exceeds 10 but the range may be over 100% of the mean. The manner of wound healing after transection (open or enteroparietal vs. closed or cicatricial) can not be r