« All Population Quotes · Ernst Mayr's Page
Population Quotes by Ernst Mayr
- A species is a reproductive community of populations reproductively isolated from others that occupies a specific niche in nature.
- There are a number of attributes of species and populations that are not of any particular selective advantage to any single individual in a population…
- Paleontologists had long been aware of a seeming contradiction between Darwin's postulate of gradualism, confirmed by the work of population genetics, and the actual findings…
- Every politician, clergyman, educator, or physician, in short, anyone dealing with human individuals, is bound to make grave mistakes if he ignores these two great…
- The reduced variability of small populations is not always due to accidental gene loss, but sometimes to the fact that the entire population was started…
- Isolating mechanisms are biological properties of individuals that prevent the interbreeding of populations that are actually or potentially sympatric.
- As a consequence, geneticists described evolution simply as a change in gene frequencies in populations, totally ignoring the fact that evolution consists of the two…
- I had found again and again that the most aberrant population of a species - often having reached species rank, and occasionally classified even as…
- Living in an entirely different physical as well as biotic environment, such a population would have unique opportunities to enter new niches and to select…
- The major novelty of my theory was its claim that the most rapid evolutionary change does not occur in widespread, populous species, as claimed by…
- 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…
- 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…
- All I claimed was that when a drastic change occurs, it occurs in a relatively small and isolated population.
More Population Quotes
- All our environmental problems become easier to solve with fewer people and harder - and ultimately impossible to solve - with ever… — David Attenborough
- I would be absolutely astounded if population growth and industrialisation and all the stuff we are pumping into the atmosphere hadn't changed… — David Attenborough
- It's coming home to roost over the next 50 years or so. It's not just climate change; it's sheer space, places to… — David Attenborough
- Appreciate the power of rumor, often malicious, no matter how preposterous, within the local populations you are seeking to help. — Alvin Adams
- As a great man's influence never ends, so also there is not definite finality, no end, to a great survey; it runs… — Cleveland Abbe
- The passion of the Italian or the Italian-American population is endless for food and lore and everything about it. — Mario Batali
- Job growth well in excess of population increase would be a very good thing if it were only that easy. — Bob Beauprez
- Just to keep up with population growth, on average our economy needs to be adding about 125,000 jobs per month. — Bob Beauprez
- Two new workers are being added to the population for every one job that is created. — Bob Beauprez
- President Obama has tried to spin the paltry new job creation numbers as 'a step in the right direction.' But, clearly, the… — Bob Beauprez
- Every State has the primary duty to protect its own population from grave and sustained violations of human rights, as well as… — Pope Benedict XVI
- As a woman leader, I thought I brought a different kind of leadership. I was interested in women's issues, in bringing down… — Benazir Bhutto