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These novelties, among others, are examined in this book in relation to their general significance for evolution, emphasising their human relevance.
An overview of speciation theory reveals an increasingly held view that many events leading to the origin of new species occur in transient, unstable populations. A transient, unstable population should be under stood as a fast episodic phase in a population subjected to genetic and environmental factors that tend to disrupt its cohesive, balanced genome architecure, thus enhancing its probability to produce a new species. Striking the core of Darwinian thought, some authors claim that these· processes may be non-adaptive. Among the environmental factors one may cite biotic (e.g. resource availability) and abiotic (e.g. temperature) stress conditions that break up the population stability p...
An anthology of contemporary philosophy of science in Spain. Essays on 19th Century physics, the new cosmology, philosophy of biology, scientific rationality, philosophy of mathematics, phenomenology's account of scientific progress, science and ethics, philosophy of economics, methodology, and the philosophy of technology.
In the last few decades more and more yeast habitats have been explored, spanning cold climates to tropical regions and dry deserts to rainforests. As a result, a large body of ecological data has been accumulated and the number of known yeast species has increased rapidly. This book provides an overview of the biodiversity of yeasts in different habitats. Recent advances achieved by the application of molecular biological methods in the field of yeast taxonomy and ecology are also incorporated in the book. Wherever possible, the interaction between yeasts and the surrounding environment is discussed.
This collection of papers was presented at the World Bank Conference on 'Civil service reform in Latin America and the Caribbean', held in 1993. The goal of the conference was to promote the flow of ideas among researchers and practitioners in the civil s
Taxonomy is fundamental to understanding the variety of life forms, and exciting expansions in molecular biology are re- volutionising the obtained data. This volume reviews the ma- jor molecular biological techniques that are applied in ta- xonomy. The chapters are arranged in three main sections:1) Overviews of important topics in molecular taxonomy; 2) Case studies of the successful application of molecular methods to taxonomic and evolutionary questions; 3) Protocols for a range of generally applicable methods. The described techni- ques include DNA-DNA hybridization, DNA fingerprinting, RFLP analysis, and PCR sequencing.
Ecological and evolutionary genetics span many disciplines and virtually all levels of biological investigation, from the genetic information itself to the principles governing the complex organization of living things. The ideas and informa tion generated by ecological and evolutionary genetics provide the substance for strong inferences on the origins, changes and patterns of structural and functional organization in bio logical communi ties. It is the coordination of these ideas and thoughts that will provide the answers to many fundamental questions in biology. There is no doubt that Drosophilids provide strong model systems amenable to experimental manipulation and useful for testing pe...
A comparison of the genetic circuits of Homo sapiens and Drosophila reveals the evidence for deep homology.
Our creator finally provides the actual details of his design in the long sort after ?Theory of Everything.' Now, our eyes finally open to fully understand the world which we have studied.The tribes and so called races of man have all been given pieces of this massive puzzle. When put together, it weaves a tapestry of one beautiful story. The bible provides the structure, the Africans provide a first person account, Native Americans hold vital elements, the Aztecs tell us the thoughts of God and his expectations for his designs. Asian theology focuses on living today and Christianity takes us to a new tomorrow. But no story could be complete without the details, the process used, the illusiv...