« All Populations Quotes · Ernst Mayr's Page
Populations 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…
- 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…
- 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 species consists of a group of populations which replace each other geographically or ecologically and of which the neighboring ones integrate or hybridise wherever…
- I did not claim that speciation occurs only in founder populations.
More Populations Quotes
- Appreciate the power of rumor, often malicious, no matter how preposterous, within the local populations you are seeking to help. — Alvin Adams
- Many African leaders refuse to send their troops on peace keeping missions abroad because they probably need their armies to intimidate their… — Kofi Annan
- All nations are degrading and consuming their environment to a point beyond capacity. In the past 15 years in the U.S. we… — Gaylord Nelson
- Technology made large populations possible; large populations now make technology indispensable. — Joseph Wood Krutch
- The technologies which have had the most profound effects on human life are usually simple. A good example of a simple technology… — Freeman Dyson
- The cutting of primeval forest and other disasters, fueled by the demands of growing human populations, are the overriding threat to biological… — E. O. Wilson
- The only feasible solution is a political reconciliation... Mr. President, the time is now to put pressure on the Iraqi government to… — Mike Coffman
- Males do not represent two discrete populations, heterosexual and homosexual. The world is not to be divided into sheeps and goats. Not… — Alfred Kinsey
- Birds ... are sensitive indicators of the environment, a sort of "ecological litmus paper," ... The observation and recording of bird populations… — Roger Tory Peterson
- Our emphasis on science has resulted in an alarming rise in world populations, the demand and ever-increasing emphasis of science to improve… — Charles Lindbergh
- The proof given by Wright, that non-adaptive differentiation will occur in small populations owing to "drift," or the chance fixation of some… — Julian Huxley
- A species is a reproductive community of populations reproductively isolated from others that occupies a specific niche in nature. — Ernst Mayr