Sentences with phrase «bred over thousands of years»

They each have been bred over thousands of years for very different characteristics.
This is in contrast to the history of dogs and humans, where the former has been bred over thousands of years to respond to orders and commands.
The dogs came from a variety of breeds which have been bred over thousands of years to have — among other traits — snouts of various lengths.

Not exact matches

The idea that induced change to aplant's genetic code is a phenomenon of the DNA age is also untrue: modern hexaploid wheat possesses six times as many chromosomes as its prehistoric ancestor, thanks to tireless selection and breeding over ten thousand years of human farming.
A feature review, to be published on December 16th in the Cell Press journal Trends in Plant Science, points the way to intensifying agriculture sustainably by fixing weaknesses that have sprung up quite by accident in the process of traditional crop breeding over the course of thousands of years.
Over thousands of years, dogs were bred to meet a variety of human needs.
Dog breeds have been developed over hundreds or even thousands of years to do very specific things, and this can dramatically affect their behavior.
Over the years Michael has worked with thousands of dogs of all breeds.
The Chow Chow breed, which has been known to originate in Siberia thousands of years ago, has developed a thick double coat over the years because of the cold conditions.
Over the course of thousands of years, the dogs have been developed to create the many mastiff breeds that are found throughout the world today.
You can not realistically separate the «look» of a breed from the «act» of the breed because they have been bred over hundreds or even thousands of years to behave a certain way so that they can do a specific job.
History and Health of the Portuguese Podengo Pequeno Dog Breed: Brought to the Iberian Peninsula over two thousand years ago by Romans and Phoenicians, these primitive dogs have not changed much since ancient times.
Over hundreds and maybe thousands of years, wolves were bred and transformed and transformed again to become the variety of breeds we have.
We recently experienced a mass fish die off with thousands of dead fish washing up on our beaches because of the hot water, and the giant Australian cuttlefish, which breeds in the gulf waters near Adelaide, has undergone a catastrophic 90 % decline in numbers over the past few years because the waters are too warm for them to breed.
Last year, he was able to breed «thousands» of caterpillars which were transferred over to the Botanical Garden.
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