Flower size variation at the inflorescence and individual levels and its trade-off with flower number were evaluated in annual herb, Polygonum hydropiper(Polygonaceae).
探讨一年生植物水蓼花大小在花序上和个体上的变化及花大小与花数量的权衡关系。
The egg mass was not negatively correlated with relative fecundity, suggesting that the trade-off between size and number of eggs was absent in the lizard.
卵重与相对生育力之间无显著的负相关性,表明蜡皮蜥缺乏卵数量与卵大小之间的权衡。
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