it is random, but depends on selection

送交者: blobfish 于 2009-11-24, 09:29:45:

回答: thanks, is this also random? 由 tinaliang 于 2009-11-24, 09:24:31:

the food source, environment could influence the tendy. Sex selection is another point. Right-skew female snail can only mate with right-skew male snail, because there special geometry

所有跟贴:

wait a minute, are you saying snails of the same species screws differently? (无内容) - tinaliang (0 bytes) 2009-11-24, 09:33:35 (389635)
- Shell snails and shell fishes all have different skews: chirality (无内容) - blobfish (0 bytes) 2009-11-24, 09:43:25 (389640)
  - and you claim you don't know biology? (无内容) - tinaliang (0 bytes) 2009-11-24, 09:46:17 (389641)
    - this is symmetry done by physicist, i learned from a talk today (无内容) - blobfish (0 bytes) 2009-11-24, 09:48:02 (389642)
- by screw I didn't mean how they do each other. (无内容) - tinaliang (0 bytes) 2009-11-24, 09:34:46 (389636)

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