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词汇 Phylogenetic bracketing
分类 英语词汇 英语翻译词典
释义

Phylogenetic bracketing

原声例句
精选英语短文

When the fossil evidence didn't have all the answers, the team used a scientific technique known as phylogenetic bracketing.

当化石证据不能提供所有答案时,该团队使用了一种称为系统发育括号法的科学技术。

PBS地球-动物趣闻

This is called phylogenetic bracketing -- using the presence of traits across related species to make an educated guess where those traits might occur.

这被称为系统发育括号法——利用相关物种中存在的特征来对这些特征可能出现的位置进行有根据的猜测。

PBS地球-动物趣闻

So without that proof, paleontologists have to rely on inferences, based on closely related animals for which they do have hard evidence, a technique known as phylogenetic bracketing.

因此,如果没有这一证据,古生物学家就不得不依赖于他们确实有确凿证据的密切相关的动物的推论,这种技术被称为系统发育括号法。

英语百科

Phylogenetic bracketing

Like many other labyrinthodonts, Stenotosaurus stantonensis is known only from its skull. The artist has reconstructed the body based on Paracyclotosaurus and Mastodonsaurus, both known from almost complete specimen.

Phylogenetic bracketing is a method of inference used in biological sciences. It is to infer the likelihood of unknown traits in organisms based on their position in a phylogenetic tree. One of the main applications of phylogenetic bracketing is on extinct animals, known only from fossils. The method is often used for understanding traits that do not fossilize well, such as soft tissue anatomy, physiology and behaviour. By considering the closest and second closest well known (usually extant) organisms, traits can be asserted with a fair degree of certainty, though the method is extremely sensitive to problems from convergent evolution.

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