请输入您要查询的英文单词:

 

单词 fossil record
释义

Definition of fossil record in English:

fossil record

noun
  • The record of the occurrence and evolution of living organisms through geological time as inferred from fossils.

    Example sentencesExamples
    • They are absent in the fossil record between the Early Carboniferous and the Late Permian.
    • The largest gap in the fossil record is thought to be the evolution from prokaryote to eukaryote cells.
    • All of this splitting is to make the human fossil record conform to the fossil record of other groups.
    • The early history of pterosaurs is not yet fully understood because of their poor fossil record in the Triassic period.
    • Charophytes are prone to calcification and have left an abundant fossil record up to the Cretaceous, and perhaps beyond.
    • Charred peat surfaces have been reported in the fossil record but are absent in the K-T peat sequences.
    • This type of organism is very rarely preserved in the fossil record.
    • Moreover, for this phase of metazoan evolution, the fossil record is extremely poor.
    • Their handiwork expands debate over how to identify hominid species in the fossil record.
    • The most direct account of our past is inferred from the fossil record.
    • Thus their first occurrence in the fossil record is a metric of particular interest.
    • It is commonly believed that the fossil record provides the most direct evidence for evolution.
    • This bed is highly important because it records the first appearance of organisms with hard parts in the fossil record.
    • Bryozoa is the only major phylum that does not have a fossil record in the Cambrian.
    • Some paleontologists do study the fossil record of humans and their relatives.
    • Actually the real reason there are gaps in the fossil record is because of geological changes over time.
    • The Entoprocta is also a small phylum and the oldest fossil record is from the Upper Jurassic.
    • The fossil record of emballonurids extends to the late Eocene or early Oligocene.
    • Records of interspecies interaction have seldom been preserved in the fossil record.
    • All crustaceans first appear in the fossil record in the Paleozoic Era.
 
 
随便看

 

英语词典包含464360条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/27 21:46:05