北极熊是陆地上最大的肉食性动物,比西伯利亚虎都要大两倍多!
The polar bear is the largest terrestrial carnivore, being more than twice as big as the Siberian Tiger!
数学模型也揭示了食物网可能是不稳定的,顶级肉食性动物的微小改变会对整个生态系统产生巨大影响。
Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems.
北极熊是陆地上最大的肉食性动物,比西伯利亚虎都要大两倍多!
The polar bear is the largest terrestrial carnivore, being more than twice as big as the Siberian Tiger.
三文鱼是肉食性动物,喜欢吃甲壳类,水生昆虫和细小的鱼类。
They are predators, feeding on small crustaceans, aquatic insects, and smaller fish.
与其他恐龙近亲不同,这种巨蜥不是肉食性动物,而是以水果为生。
Unlike other close cousin of dinosaur, the giant lizard eats fruits instead of fresh meats.
植食性动物和肉食性动物在生态系统里扮演着哪些不可或缺的作用?
What are the indispensable roles of herbivorous and carnivorous animals in the ecosystem?
在非洲的茫茫荒原上,许多肉食性动物喜欢独来独往;而草食性动物较偏好群居生活。
On the vast savanna and grassland in the Africa, predators adore solitary life, rater, most of the herbivores prefer living in groups.
共同消亡也有可能发生在当一个物种失去了它们的授花粉器,或者是肉食性动物在其生物链上失去了它们的猎物。
Coextinction can also occur when a species loses its pollinator, or to predators in a food chain who lose their prey.
尽管哪些物种是捕食者,而哪些物种又是被掠食者显而易见,但是让多种类型的肉食性动物共存的摄食习性的微妙法门却很少在化石记录中保存下来。
Though it is obvious which species were predators and which prey, the subtle specialisations of feeding habit that allow many types of carnivore to co-exist are rarely preserved in the fossil record.
肉齿目动物是古老的肉食性哺乳动物,虽然他们和今天的食肉动物很像,但(他们)其实没什么关系。
Creodonts were ancient carnivorous mammals that filled a niche similar to that of modern carnivores, but are unrelated to today's meat eaters, she explained.
食肉性鸟类;肉食性哺乳动物;食肉昆虫。
蜜獾一种产于非洲和亚洲的肉食性哺乳动物,( 蜜獾)腿短,皮毛厚,下暗上白。
A carnivorous mammal(Mellivora capensis) of Africa and Asia, having short legs and a thick coat that is dark below and whitish above.
肉食性腹足类减少了草食性软体动物和固着无脊椎动物的数量;
Predaceous gastropods reduced the abundance of herbivorous molluscs and sessile invertebrates.
肉食性腹足类减少了草食性软体动物和固着无脊椎动物的数量;
Predaceous gastropods reduced the abundance of herbivorous molluscs and sessile invertebrates.
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