The answer lies in two associated differences among the species, in their digestive systems and body sizes.
答案在于两个相关的物种之间的差异，它们的消化系统和体型。
In broad terms, the heritability of a trait measures the extent to which differences among members of a population can be explained by differences in their genetics.
广义上讲，性状遗传性衡量的是群体成员间的差异在多大程度上可以用基因差异解释。
Whether we learn about these differences by reading a book or by living abroad, our goal must be to respect differences among people in order to get along successfully with our global neighbors.
无论是通过读书还是在国外生活来了解到这些差异，我们的目的必须是尊重人与人之间的差异，与身边的外国人和睦相处。
There were significant differences among women based on age, place of residence, and educational levels.
基于年龄、住处和教育水平，妇女们之间存在显著的差异。
How could anyone tell differences among birds by their legs?
人们怎么能通过鸟的腿来区分它们呢？
There are substantial differences among consumers with similar demographic characteristics.
具有相似人口统计学特征的消费者之间存在实质性差异。
Only differences among individual observers exist.
差别只是在个别观察者中间存在。
Table 1 summarises the differences among the dump-file types.
表1总结了这些转储文件类型的区别。
Notice that there are several differences among the various style sheets.
请注意各种样式表间存在几个差异。
Another reason for obfuscation is to mask differences among rate-setters.
故意令人捉摸不透的另一层原因是要掩盖利率制定者们意见不一。
Some participants picked up the differences among decks after just 10 CARDS.
一些参与者在拿到10张排的时候就已经知道几副牌之间的区别了。
For an explanation of differences among the drivers, please consult the manuals.
关于各驱动程序之间差别的解释，请查阅手册。
This undesirable result would be a direct consequence of differences among species.
这种不合意的结果将是物种间区别的一个直接后果。
But there were differences among men and women who had entertained the flirtatious fantasy.
但想象调情的受访者中，男性和女性的答案出现明显差异。
She expects that there are also behavioral differences among gibbons from different regions.
同时她也预测来自不同区域的长臂猿，其行为习惯也会有所不同。
For starters, there are large differences among people in their levels of physiological activity.
首先，不同的人生理活动的水平各不相同。
There are social, financial and cultural differences among our families that we must respect.
我们的家庭社会、经济、文化背景各异，这些都必须得到尊重。
The differences among the three operations are the number and the complexity of their parameters.
在这些操作件不同点是它们的参数的数量和复杂度不一样。
But at prayer times, differences among the celebrants in front of Benghazi's court-house do emerge.
但是在祷告时间，在班加西法院前主持仪势者之间出现了差异。
One of the main differences among soccer balls is how much the air flow follows the ball's surface.
不同足球之间的主要区别之一是有多少气流沿着球的表面流过。
There are general trends in color preferences across cultures, but wide differences among individuals.
一般来说，对颜色的喜好有文化的影响，但个人之间的差别也很大。
The general factor explains most differences among individuals in performance on diverse mental tests.
不同人在各种智力测试中所取得的成绩是有差异的，而这些差异大多数都能用这种普适性因素得到解释。
There are some distinct differences among the top wikis, however, where MediaWiki demonstrates a solid edge.
不过，这些领先wiki之间存在显著的区别，这也正是MediaWiki展示其有力优势的地方。
Chapter Four: Discussion of how different process areas interact, and similarities and differences among them.
第四章：讨论不同的过程域如何相互作用，他们之间的相似之处与不同之处。
The WTO launched the Doha round in 2001 and it has been dogged ever since by differences among member countries.
WTO于2001年启动多哈回合贸易谈判，各成员国之间一直存在分歧。
Many readers have used many of these tools, without necessarily thinking about the categorical differences among them.
许多读者已经使用过这些工具中的许多工具，但不见得考虑过它们之间的种类差别。
RFID is different in other ways from barcodes and there are even differences among the various types of RFID tags.
“RFID”与条形码相比还存在着其它差别，而不同类型的“RFID”标签之间也互不相同。
RFID is different in other ways from barcodes and there are even differences among the various types of RFID tags.
“RFID”与条形码相比还存在着其它差别，而不同类型的“RFID”标签之间也互不相同。
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