All Ernst Mayr Quotes
- Two forms or species are sympatric, if they occur together, that is if their areas of distribution overlap or coincide. Two forms (or species) are… Areas
- To take an unequivocal stand, it seems to me, is of greater heuristic value and far more likely to stimulate constructive criticism than to evade… Constructive
- The history of science knows scores of instances where an investigator was in the possession of all the important facts for a new theory but… All
- Definitions are temporary verbalizations of concepts, and concepts- particularly difficult concepts- are usually revised repeatedly as our knowledge and understanding grows. Concepts
- Our understanding of the world is achieved more effectively by conceptual improvements than by discovery of new facts Achieved
- anyone who writes about "Darwin's theory of evolutionin the singular, without segregating the theories of gradual evolution, common descent, speciation, and the mechanism of natural… Anyone
- Scientific progress consists in the development of new concepts. Concepts
- Mathematics is as little a science as grammar is a language. Grammar
- most scientific problems are far better understood by studying their history than their logic. Better
- Evolution as such is no longer a theory for a modern author. It is as much a fact as that the earth revolves around the… Author
- It seems to me that for Darwin the pulsing of evolutionary rates was a strictly vertical phenomenon. Darwin
- A new species develops if a population which has become geographically isolated from its parental species acquires during this period of isolation characters which promote… Acquires
- A species consists of a group of populations which replace each other geographically or ecologically and of which the neighboring ones integrate or hybridise wherever… Barriers
- The most consequential change in man's view of the world, of living nature and of himself came with the introduction, over a period of some… Beginning
- All I claimed was that when a drastic change occurs, it occurs in a relatively small and isolated population. All
- I did not claim that speciation occurs only in founder populations. Claim
- Most of them are doomed to rapid extinction, but a few may make evolutionary inventions, such as physiological, ecological, or behavioral innovations that give these… Behavioral
- N Earth, among millions of lineages or organisms and perhaps 50 billion speciation events, only one led to high intelligence ; this makes me believe… Among