因此，我们有一个正在形成的有花植物的化石记录，包括许多灭绝类群，达尔文会感到高兴的。
As a consequence, we have an emerging fossil record of flowering plants that includes many extinct taxa and would have delighted Darwin.
虻类化石中的许多类群都有访花习性，它们为研究被子植物的起源提供了独特材料。
The fossil Brachycera contain a wider variety of flower visitors, which provide unique material for studying the origin of angiosperms.
植物花的多裂片柱头在传粉者接触后迅速闭合的现象主要存在于玄参目的一些类群中。
Examples of closure behavior of bi- or multi-lobed stigmas in response to being touched by animal pollinators were mainly studied in some taxa of the order Scrophulariales .
植物花的多裂片柱头在传粉者接触后迅速闭合的现象主要存在于玄参目的一些类群中。
Examples of closure behavior of bi- or multi-lobed stigmas in response to being touched by animal pollinators were mainly studied in some taxa of the order Scrophulariales .
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