Using single genes as phylogenetic markers, it is difficult to trace organismal phylogeny in the presence of horizontal gene transfer.
22.
:" As Woese has written,'the ancestor cannot have been a particular organism, a single organismal lineage.
23.
Marine biology is a hybrid subject that combines aspects of organismal function, ecological interaction and the study of marine biodiversity.
24.
Phage " organismal " ecology is the most closely aligned of phage ecology disciplines with the classical molecular genetic analyses of bacteriophage.
25.
Morgan changed his work from traditional, largely descriptive morphology to an experimental embryology that sought physical and chemical explanations for organismal development.
26.
In a light-hearted millennial vein, Kirshner and Michison call research into integrated cell and organismal physiology molecular vitalism .
27.
In 1999, Gremillion was granted an adjunct appointment in the Department of Evolution, Ecology, and Organismal Biology at the same university.
28.
Under the editorship of Stephen J O Brien, the journal developed its current focus on primary research in organismal genomics and evolutionary diversity.
29.
This domain has been found in organisms as diverse as bacteria and archaea, however there are no known orthologs in either organismal domain.
30.
:: Michael C . LaBarbera, professor in Organismal Biology, offers some thoughts on this topic in Biology of B-Movie Monsters.