In vertebrates, gap junction hemichannels are primarily homo- or hetero-hexamers of connexin proteins.
在脊椎动物中，间隙连接的半通道主要是连接蛋白的同型或异型六聚体。
In these cases, the "constrictor" and "sapiens" are the species names, and "boa" and "homo" are the genus names.
在这些案例中，“大蟒”和“智人”是种名，“蟒属”和“人属”是一个属名。
All species have a two-part Latin name, such as Boa constrictor or Homo sapiens.
所有物种的名字都由两部分拉丁文组成，像蟒蛇（Boa constrictor）或智人（Homo sapiens）。
Although homo sapiens did not exist at that time, this discovery provides no basis to the claim that the controlled use of fire preceded the Homo sapiens.
尽管智人在那个时候还不存在，但这一发现并不能为认为在智人之前就有节制地使用火的说法提供任何依据。
An extinct species or race of human beings, Homo neanderthalensis, associated with Middle Paleolithic tools.
作为已灭绝物种或人类种族，尼安德特人与旧石器时代中期的工具有关。
Homo ergaster had reached western Asia just 200, 000 years after A. Sediba's known date.
东非直立人仅在 Sediba 已知年代的20万年后就已经抵达了西亚。
So, it's not surprising that our 'homo sapiens' artist knew the animals very well, and that he chose to represent them.
因此，我们的“智人”艺术家对驯鹿的一切了如指掌，而且选择将这种动物运用到艺术品中去，也就不足为奇了。
Either it shares features with later Homo, or it does not.
它要么与后来的人属具有相同的特征，要么没有。
Without these certainties, Homo sapiens would still be living in caves.
没有这些确定性，智人会依然生活在洞穴中。
Competing theories place them either as an archaic variant of our own species, Homo sapiens, with whom we interbred, or as a separate species altogether.
竞争理论将它们作为远古时我们的祖先——智人的一种变种，智人与他们杂交，或者是一个单独的物种。
Though the teeth of Homo gautengensis proved they had begun to eat plant, the ancestor of man was by no means vegetarian.
尽管“豪登人”的牙齿证明他们已经开始食用植物，人类的祖先却绝不是素食主义者。
Homo sapiens and bull mastiff-are they 'highly comparable'?
智人和斗牛獒，他们有'很高的相似之处' ？
Homo sapiens males offer diamond rings and drive phallic cars to advertise their ability to provide, and Homo sapiens females in modern foraging societies unashamedly demand meat from their lovers.
男性通过钻石戒指和汽车来展示他们可以提供食物的能力，而女性底气十足地从她们的爱人那里要求食物，丝毫不觉羞耻。
These traits are enough for the team to propose it as the australopith species most likely to have given rise to Homo.
这些特征让该团队有足够的理由认为，它就是最有可能进化为人类的南方古猿物种。
'Shortly after Homo sapiens first evolved, the harsh climate conditions nearly extinguished our species,' said Professor Marean.
'智人刚开始进化不久，恶劣的气候条件几乎灭绝我们人类，'马里恩教授说。
Hominids are all the Neanderthals, australopithecines, Homo habili, Homo erecti, etc., the upright-walking apes of which we are the only surviving species.
原始人类是指所有的穴居人，古猿，智人，直立行走的类人猿等，而我们是唯一幸存的类人猿物种。
The fossil evidence shows that Neanderthals were restricted to Europe and Asia, whereas Homo sapiens originated in Africa.
化石证据表明，尼安德特人只存在于欧洲和亚洲，而人类则起源于非洲。
If that series of circumstances had been even slightly different, there would have been no egg-headed Homo sapiens.
如果环境有一丝不同的话，很可能就不会出现顶着个鸡蛋脑袋的现代智人。
The discovery dials back the date when modern Homo sapiens was known to have started using paint.
这项发现把已知现代人已经开始使用颜料的日期向前推进了。
But the African crested rat and Homo sapiens are the only two mammals who use plants to make their poisons.
但是非洲黄冠鼠和人类是仅有的两种会利用植物来获取毒素的哺乳动物。
Archeological finds in the Olduvai Gorge include stone tools, and skeletal remains of Homo Habilis and Homo Erectus, as well as bones of, now extinct, wild animals.
考古学家在奥杜瓦伊山谷发现了包括石器，能人和直立人骨架的遗骸，还有现已灭绝的野生动物遗骨在内的多个遗迹。
Various human species, including our own Homo sapiens, have endured ice ages and warming periods as well as floods and droughts.
各种人类物种，包括我们自己的智人，经受了冰河时代，变暖时期以及洪水和干旱。
WHEN wondering about the origins of our brain, don't look to Homo sapiens, chimpanzees, fish or even worms .
在追溯我们大脑的本源之时，可别去智人、类人猿、黑猩猩、鱼类乃至蠕虫那里寻找答案。
WHEN wondering about the origins of our brain, don't look to Homo sapiens, chimpanzees, fish or even worms.
在追溯我们大脑的本源之时，可别去智人、类人猿、黑猩猩、鱼类乃至蠕虫那里寻找答案。
First discovered in 1891 in Indonesia, Homo erectus is one of the best known ancient hominids.
自1891年在印度尼西亚被首次发现以来，直立人已经成为最著名的古人类之一。
Lab rats are not humans, and not every brain, rodent or homo sapien, is wired the same.
实验鼠不是人类，啮齿动物和人类的大脑的组成是不一样的。
They were thus contemporary with modern Homo sapiens, who originated in Africa about 200, 000 years ago.
他们与近代的智人同类，现代智人在200,000年前起源于非洲。
Australopithecus was a group of early hominids that is reckoned to be the ancestral genus of Homo, to which modern man belongs.
南方古猿是早期原始人类的一部分，被认为是祖先人种，现代人就由此而来。
Australopithecus was a group of early hominids that is reckoned to be the ancestral genus of Homo, to which modern man belongs.
南方古猿是早期原始人类的一部分，被认为是祖先人种，现代人就由此而来。
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