亲爱的,最好吃你!

Evolution 2009.

鹦嘴鱼的演变看到了两种形态创新,咽下颌改性和新型腹腔内关节。除初级下颌之外,咽部颌骨钳是所有鹦嘴鱼的特征,基本上是第二组钳口。有点像嘴里的嘴。没有外星的生物没有咽下颌?相反,并非所有的鹦嘴都具有Intrandibular接头,一个“独特的颚式连接”,用于增加下颌的控制,并允许更大的嘴口。这些修改都被假定为自适应,以便更好地擦除藻木。在鹦鹉鱼的演变中,咽下颌首先出现,然后是Intrandand关节。

萨曼莎价格 今天介绍了研究测试这些形态创新可能创造了新的利基空间,从而增加了多样化,即​​新物种的增殖。价格检查了几种不同的形态学指标作为这种多样化的措施的关键方面,例如, Gape尺寸,突起,体型,以及非常精致的听起来钳口运动传动。总的来说,她的结果都是有趣和复杂的。咽下颌的演变与形态学指标的大约多样化速度较快不匹配。事实上,有些似乎实际上减速了。然而,随着Intrandibular关节的增加,即适应性辐射。

M.博士 (1801篇帖子)

Craig McClain is the Executive Director of the Lousiana University Marine Consortium. He has conducted deep-sea research for 20 years and published over 50 papers in the area. He has participated in and led dozens of oceanographic expeditions taken him to the Antarctic and the most remote regions of the Pacific and Atlantic. Craig’s research focuses on how energy drives the biology of marine invertebrates from individuals to ecosystems, specifically, seeking to uncover how organisms are adapted to different levels of carbon availability, i.e. food, and how this determines the kinds and number of species in different parts of the oceans. Additionally, Craig is obsessed with the size of things. Sometimes this translated into actually scientific research. Craig’s research has been featured on National Public Radio, Discovery Channel, Fox News, National Geographic and ABC News. In addition to his scientific research, Craig also advocates the need for scientists to connect with the public and is the founder and chief editor of the acclaimed Deep-Sea News (http://jiaxiangsuji.com/), a popular ocean-themed blog that has won numerous awards. His writing has been featured in Cosmos, Science Illustrated, American Scientist, Wired, Mental Floss, and the Open Lab: The Best Science Writing on the Web.


4 Replies to “亲爱的,最好吃你!”

  1. 这绝对令人着迷。我不知道,除了Morays以外的生物拥有咽部颌骨。

  2. 可能,紧邻中间的最佳已知的喂食装置是含铬的喂食装置。在物种丰富性方面,慈鲷超过拉布利,而拉布里德形态多样性
    与喂养方面的慈鲷相当
    模式,由骷髅各种各样的头骨代表
    形式。 CICHLID和LABRID鱼的辐射是
    广泛认为是由“key innovation” of a
    独特的咽部钳口设备。 Samantha价格是否在CICHLIDS和PARROTH之间引入了一些比较?

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