这个袋类动物眼部问题可能与它被抛弃前的饮食有关，也可能是因为它超重，导致眼睛后面堆积了脂肪。
The marsupial's eye problem may be to do with her diet before she was abandoned, or because she is overweight, leading to fat deposits behind her eyes.
没有四肢不仅更适合游泳，也更适合钻洞。这也引发了关于爬行类动物进化的问题。
Not only is it more efficient to swim without limbs, burrowing without legs is also better, and this raises questions about the twists and turns of reptilian evolution.
大脑新皮层同时也提高了灵长类动物的抽象思维和问题解决能力，并增强了它们在控制冲动和社交技巧方面的灵活性。
It also enables more abstract learning and problem-solving, as well enhanced flexibility in impulse control and social skills.
在紧急情况下减少苍蝇，蚊子和啮齿类动物可能会很困难，但物理屏障可以用来控制最迫切的问题。
Reducing the numbers of flies, mosquitoes, and rodents quickly in an emergency may be difficult, but physical screens can be used to control the immediate problem.
因此这也提出了一个问题，为什么自我意识只在灵长类动物之中进化，他们面对着亲缘关系较远的物种多次进化的大问题。
And so instead of asking how self-awareness evolved only among primates, they face the larger question of how it evolved multiple times in distantly related species.
更能说明问题的是，尽管极地号是在2002年夏天到2005年夏天这段时间执行的任务，但发现新等足类动物的速率在这之后并没有下降。
More to the point, though, is that as Polarstern pursued its mission during the summers of 2002 and 2005, the rate at which new isopod species were discovered did not decline.
对非人类的灵长类动物的研究为aids活体病毒感染模型的干细胞基因治疗法在实验上提供解决基本问题的可能性办法。
Studies in nonhuman primates offer the opportunity to experimentally address basic questions regarding stem cell gene therapy for AIDS in an in vivo disease model.
污染已成为全球问题，对人类动物，植物有很大危害。
Polution which is very harmful to human beings, animals and plants has become a global issue.
鹦鹉螺吃什么的问题今年有了答案，x光显示杆鹦鹉螺的咽喉中有小甲壳类动物的痕迹。
What ammonites-or, at least, some of them-ate became clear earlier this year when an X-ray showed a small crustacean in the jaws of a species called Baculites.
鹦鹉螺吃什么的问题今年有了答案，x光显示杆鹦鹉螺的咽喉中有小甲壳类动物的痕迹。
What ammonites-or, at least, some of them-ate became clear earlier this year when an X-ray showed a small crustacean in the jaws of a species called Baculites.
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