The milk comes out of this egg-laying opening the spiders have--so one idea is that the spider milk might be evolutionarily related to trophic eggs.
牛奶从蜘蛛的产卵口中流出 - 所以一个想法是蜘蛛奶可能在进化上与营养卵有关。
| 单词 | Trophic egg |
| 释义 |
Trophic egg
原声例句
科学杂志：动物学 The milk comes out of this egg-laying opening the spiders have--so one idea is that the spider milk might be evolutionarily related to trophic eggs. 牛奶从蜘蛛的产卵口中流出 - 所以一个想法是蜘蛛奶可能在进化上与营养卵有关。
英语百科
Trophic eggA trophic egg, in most species that produce them, usually is an unfertilised egg because its function is not reproduction but nutrition; in essence it serves as food for offspring hatched from viable eggs. The production of trophic eggs has been observed in a highly diverse range of species, including fish, amphibians, spiders and insects. The function is not limited to any particular level of parental care, but occurs in sub-social species of insects as well as in Leptodactylus fallax, a species of frog known for its close parental care. |
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