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目动物

网络Rodentia

目动物

目动物

目动物

Rodentia

236. 请写出全世界属於啮齿 目动物（Rodentia ）共几种？鼠科

1

Primatologists have been able to sort smiles into a few categories, and Dr.

灵长目动物学家已经能将动物的微笑分成很多种类。

2

3

The animal would have been a primitive sauropod -- a long-necked, four-legged grazer similar to the better known brachiosaurus .

这只恐龙很可能是原始的蜥脚类亚目动物 --长颈、四条腿的食草动物，类似于我们较为熟悉的腕足类恐龙。

5

For now , rejected by her mother , the palm-size primate is making do with a warm quilt instead of her mum 's belly and chest .

眼下，这只被妈妈抛弃的手掌大小的灵长目动物正将就着在一个温暖的被窝里而不是在她妈妈的胸怀里。

9

All those rodents are easy to care for and take up very little space .

所有这些啮齿目动物都容易照看，而且只占很小的空间。

10

decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers .

十足目动物，眼睛长在短柱上，甲壳宽而平，腹部小、折藏在胸腔和钳子下面。

11

Visitors pay to walk through the forests with a professional tracker and observe the primates in their natural habitat .

参观者付费就可以在专业导游的带领下步行穿过丛林，观察自然栖息地的灵长目动物。

12

Walruses adapted with layers of fat . Sea lions got sleek. And cetaceans moved into a world without bounds.

海象长出了几层脂肪，海狮变得浑身圆滑，鲸目动物已无可匹敌。

13

How the millions of liters of oil will impact sperm whales and other cetaceans is an ongoing , unintentional science experiment .

万吨废弃的石油会持续影响抹香鲸以及其他经目动物，无意的科学实验。

14

Experts tell us pandas in a lactating animal classification program Carnivora animals, meat pandas are actually normal range .

专家告诉我们大熊猫在动物分类中属哺乳纲食肉目动物，大熊猫吃肉其实属于正常范围。

15

One reason why primates have not been the subject of anti-ageing studies until now is that they live so long anyway.

灵长目动物之所以至今没有用于抗衰老研究是因为他们本身就能活很长时间。

16

The sense of vision is developed to different degrees in different species .

不同的鲸目动物视觉发展得也不同。

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18

The ears of anurans consist of a tympanic membrane, a middle ear, and an inner ear .

无尾目动物的耳朵由鼓膜、中耳和内耳构成。

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22

In recent years , three UCLA researchers who use non-human primates have been targeted with firebombs .

近年来，加州大学洛杉矶分校的三个使用非人类灵长目动物的研究员曾被作为燃烧弹的袭击目标。

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Pigeons have now shown that they can learn abstract rules about numbers , an ability that until now had been demonstrated only in primates .

近来人们研究发现，鸽子能学习抽象的数字规则，而这项能力目前为止仅在灵长目动物身上得以证实。

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But if cetaceans can't take these tests , they have met one critical laboratory benchmark of higher cognition : self-recognition.

如果鲸目动物不能接受这些测试，那么它们就遇到了更高认知力的实验室指标：自身识别。

30

We've been called the visual primate , and the size of our visual cortex dwarfs the neural platform assigned to audition .

我们一直被称为 “视觉类灵长目动物 ”，而我们视觉体系的规模让听觉神经系统相形见绌。

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