Our findings indicate that both opsin genes have been under purifying selection in the majority bats despite a long history of nocturnality.
但对恒频蝙蝠而言,视觉退化的根本原因在于它具有一种更发达的回声定位能力。
单词 | nocturnality |
例句 |
英语例句库
Our findings indicate that both opsin genes have been under purifying selection in the majority bats despite a long history of nocturnality. 但对恒频蝙蝠而言,视觉退化的根本原因在于它具有一种更发达的回声定位能力。 声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
原声例句
PBS地球-动物趣闻 In it, one researcher hypothesized that the small body size of mammals in the Mesozoic was directly related to their nocturnality. 其中,一位研究人员假设中生代哺乳动物体型较小与其夜间活动直接相关。 PBS地球-动物趣闻 In a 2017 study, researchers looked at more than 2400 species of mammals today and created algorithms to study the genetic transitions from nocturnality to diurnality. 在 2017 年的一项研究中,研究人员观察了当今 2400 多种哺乳动物,并创建了算法来研究从夜间活动到昼夜活动的遗传转变。 PBS地球-动物趣闻 And in a 2014 paper, when the researchers looked even farther back in the fossil record, they found that nocturnality evolved in vertebrates before the earliest mammals appeared, within a lineage known as synapsids. 在 2014 年的一篇论文中, 当研究人员回顾更远的化石记录时,他们发现在最早的哺乳动物出现之前, 脊椎动物就已经进化出夜行性,属于一个被称为合弓类的谱系。 |
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