|
Home
-› Quaternary period
|
||
|
|
Science Categories
Agriculture
Agricultural Dictionary Soil Dictionary Dictionary of Biological Control Dictionary of Entomology & Crop Protection Beef Production DictionaryAstronomy
Astronomy Unbound Dictionary Astronomy Dictionary by ExploreSpace.com Columbus Optical SETI Observatory Dictionary U.F.O. DictionaryBiology
BioProcess International(TM) Dictioanry BioDictionary Dictionary of Marine Biology Dictionary of Genetic Term Dictionary of Evolutionary Biology & Genetics Prehistoric World DictionaryBotany
Botanical Dictionary of Taxonomic Terminology Language of Flowers Dictionary Dictionary od Horticulture Solutions Dictionary of MushroomsChemistry
Electrochemistry Dictionary General Chemistry Dictionary Dictionary of Chemistry ElementsMathematics & Statistics
Dictionary of Electronic Statistics Bureau of Labor Statistics Dictionary Dictionary of Common Concepts in Statistics Dictionary of Roman NumeralsPhysics
Dictionary of Fiber Optics Dictionary of Wireless, RF & Microwave Terms Solar Physics Dictionary Dictionary of Liquid Chromatography Gravity & Magnetic DictionaryZoology
PETsMART.COM Dictionary Regulatory Fish Encyclopedia (RFE) Fishery Dictionary Ornithology Dictionary Owls Dictionary Tortoise & Turtle Dictionary Parrot Lover DictionaryOther Resources
Science Magazine Science Daily Agriculture Online Astronomy.com Mutual UFO Network The Biology Project Botany World of Chemistry Physics Ornithology| Definition Of: | ||||
Quaternary period
Description: The second and last period of the Cenozoic era extending from 2.5 million years ago to the present.Source: Specialized encyclopedia and dictionaries RNA Description: Ribonucleic acid. A substance found in cells. RNA plays an important role in protein synthesis and other chemical processes. The structure of RNA is similar to that of DNA. There are several classes of RNA: messenger RNA, transfer RNA, ribosomal RNA, and other small RNAs, each serving a different purpose.Source: Specialized encyclopedia and dictionaries Description: Like DNA, a type of nucleic acid. There are three major types: messenger RNA, transfer RNA, and ribosomal RNA. All are involved in the synthesis of proteins from the information contained in the DNA molecule.Source: Specialized encyclopedia and dictionaries
© European Communities, 1995-2004
2-0 Million Years AgoThe second and last period of the Cenozoic era, this period is divided into two epochs: Pleistocene and Holocene. Mammoths roamed the lands. Cattle, deer, and of course, Homo habilis, Homo erectus, and Homo sapiens.Wooly Mammoth(Mammuthus primigenius) Saber Tooth Cat Columbian Mammoth American Lion(Panthera Leo Atrox) Mastodon Bos Primigenius Coelodonta Dicerorhinus Kirchbergensis Arcodus simus Canis(lupis) see list of time periods
|
||||
Science Dictionary INDEX:List of Terms: Terms beginning with "A", Page 1 |
||||
|
Page Number:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 A: Page 1 of 22. |
|
|
|
|---|
|
|---|