A Living Fossil
نویسندگان
چکیده
منابع مشابه
A living fossil in the genome of a living fossil: Harbinger transposons in the coelacanth genome.
Emerging data from the coelacanth genome are beginning to shed light on the origin and evolution of tetrapod genes and noncoding elements. Of particular relevance is the realization that coelacanth retains active copies of transposable elements that once served as raw material for the evolution of new functional sequences in the vertebrate lineage. Recognizing the evolutionary significance of c...
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Living fossils” refers to plants that are similar to extinct ones. One classic example –Cycads, prominent in the Jurassic and Cretaceous period but recently the cycads have started to disappear. Cycas circinalis L. commonly known as Queen Sago is an endemic restricted to the Western Ghats, was investigated for larvicidal activity. The fourth instar larvae of Aedes aegypti and Culex quinquefasci...
متن کاملThe Bahama Banks: a "living" Fossil-environment
The Bahama Banks represent an environment of carbonate sedimentation widespread in the past but extremely rare today. Its occurrence presents the geologist with the opportunity of learning firsthand about geologic processes once prevalent on the earth's surface, but he has been slow to take advantage of the opportunity and slower to use the Bahama story in the classroom. Some literature on the ...
متن کاملRapid molecular evolution in a living fossil.
The tuatara of New Zealand is a unique reptile that coexisted with dinosaurs and has changed little morphologically from its Cretaceous relatives. Tuatara have very slow metabolic and growth rates, long generation times and slow rates of reproduction. This suggests that the species is likely to exhibit a very slow rate of molecular evolution. Our analysis of ancient and modern tuatara DNA shows...
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ژورنال
عنوان ژورنال: ATZ worldwide
سال: 2020
ISSN: 2192-9076
DOI: 10.1007/s38311-020-0341-7