Evolution

Evolution

Of or pertaining to the change in the genetic composition of a population during successive generations, as a result of natural selection acting on the genetic variation among individuals, and resulting in the development of new species.

Industry: Archaeology

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Evolution

echinoderm

Archaeology; Evolution

Echinoderms, whose name means "spiny skin," are a group of marine invertebrates that includes starfish, brittlestars, basket stars, sea cucumbers, sand dollars, sea urchins, and others. They live in ...

Michael Saag

Archaeology; Evolution

Dr. Saag is director of the AIDS Outpatient Clinic and associate professor of medicine at the University of Alabama, Birmingham. He is also associate director for clinical care and therapeutics at ...

Nancy Knowlton

Archaeology; Evolution

Dr. Knowlton is professor of marine biology at the Scripps Institution of Oceanography, University of California San Diego, and staff scientist at the Smithsonian Tropical Research Institute in ...

Walter J. Gehring

Archaeology; Evolution

Dr. Gehring and his research group discovered the homeobox, a DNA segment characteristic for homeotic genes which is not only present in arthropods and their ancestors, but also in vertebrates up to ...

Douglas Erwin

Archaeology; Evolution

Dr. Erwin is a paleobiologist with the National Museum of Natural History in the Smithsonian Institution. His research is concerned with aspects of major evolutionary novelties, particularly the ...

mitochondrial DNA

Archaeology; Evolution

DNA found in the mitochondrion, a small round body found in most cells. Because mitochondria are generally carried in egg cells but not in sperm, mitochondrial DNA is passed to offspring from ...

Barry Kreiswirth

Archaeology; Evolution

Director of the Public Health Research Institute TB Center in New York, Dr. Kreiswirth uses DNA fingerprinting to study the evolution of antibiotic resistance in Mycobacterium tuberculosis, the ...