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.