Biomarker, as molecular fossil, recorded the origin and evolutionary history of dinoflagellate.
生物标志物以分子化石的形式记录了沟鞭藻的起源及演化历史。
Since then, scientists have found clues to explain these animal transitions in the fossil and molecular records, as well as in energetic analyses, but the full story is yet to be discovered.
自那时起，科学家陆续找到了化石和分子水平的证据，以及通过能量分析来解释这一进化过程，但是尚未达到完全理解的程度。
This paper mainly discusses recent advances on taxonomy and evolution of giant panda in view of fossil record and molecular biology.
从化石记录和分子生物学证据方面探讨了大熊猫分类和演化的研究现状及进展。
The researches of Quercus have been on the modern distribution, origin and phylogeny, fossil history, genetics and molecular biology etc.
国内外在现代分布、系统分类及其演化、化石历史、遗传学以及分子生物学等方面对栎属植物进行了深入的研究。
However, the origin time inferred by molecular clock is always earlier than that by the fossil record. This approach is still controversial.
然而，利用分子钟方法所得出的不同门类起源时间总是早于化石记录，因此分子钟与化石记录的矛盾仍十分突出。
However, the origin time inferred by molecular clock is always earlier than that by the fossil record. This approach is still controversial.
然而，利用分子钟方法所得出的不同门类起源时间总是早于化石记录，因此分子钟与化石记录的矛盾仍十分突出。
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