As a consequence, we have an emerging fossil record of flowering plants that includes many extinct taxa and would have delighted Darwin.
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。
And now we hear about animals and plants going extinct every day — vanishing forever.
我们每天都会听说有的动物和植物绝种,那是永远消失的事情。
Sheila Conant: We used to have birds that pollinated specific species of plants, and some of those plants have become very rare because their pollinators have become extinct.
希拉•柯南特:曾经会有某些鸟类给一些植物授粉,但是当这种鸟类灭绝后这些植物也变得越来越稀少。
Over the past two millennia, hundreds of its native plants and animals have been rendered extinct because the human population has risen from about one million to more than 51 million.
在过去的两千年间,由于当地人口数量由100万左右上升到超过5100万,成百上千的当地植物和动物慢慢灭绝。
Fossils suggest that some earlier groups of plants, now extinct, had evolved a dependency on insects like scorpionflies.
化石显示,某些现已灭绝了的更早期的植物,也进化到了依靠蝎蛉授粉的阶段。
For scorpionflies serving as pollinators for now-extinct groups of plants, see Ren, D. et al. 2009.
至于褐蛉对现已灭绝植物的授粉职能,见Ren,D. et al.
Many plants and animals are going extinct.
许多植物和动物濒临灭绝。
These lakes later dried up as the local climate changed, and many of the plants and animals living here went extinct.
这些湖干了随着当地气候的变化,许多生活在这里的动植物灭绝了。
Paleontology majors study fossils and learn about extinct life forms. Topics of study include fossil formation and chemistry, fossil plants, methods of research in the field and lab, and more.
古生物学专业研究化石和学习已灭绝的生物物种。课程包括化石的形成和化学,植物化石,实地和实验室的研究方法等。
Statistics show that there are about 34,000 species of plants and 5,200 species of animals endangered around the world, which means that every normal day there is a species that goes extinct.
资料显示,全世界目前约有34000种植物和5200种动物濒临灭绝,我们所度过的每一个寻常日子,平均有一个物种正彻底消失。
Statistics show that there are about 34,000 species of plants and 5,200 species of animals endangered around the world, which means that every normal day there is a species that goes extinct.
资料显示,全世界目前约有34000种植物和5200种动物濒临灭绝,我们所度过的每一个寻常日子,平均有一个物种正彻底消失。
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