Over many generations man has chosen certain desirable characteristics in dogs by allowing dogs possessing those characteristics to reproduce. in this way, 150 breeds of dogs, all in the same species, have descended from wolves. this process is referred to

Selective or Intentional Breeding

Explanation:

Intentional breeding or selective breeding is the intentional breeding of plants and animals. It is utilised to breed the domestic animals with the desired traits. Hence the animal with desired qualities are chosen for the breeding. Selective breeding can also lead to inbreeding and loss of fertility and to prevent this many breeds are back crossed or out crossed to wild-type individuals. It can be unintentional also such as the domestication of crops by early humans happened unintentionally. The varieties of dogs like Chihuahua and Great Dane clearly show the desired traits that can be achieved by selective breeding.

the   square   deal   was   a   program   where   the   government gave any one   a fair   chance   to succeed

- a government ruled by the people, or assembly. officials monarchy - a single ruler like a king. over time some city-states, like athens would change governments. what this means is that all the citizens voted on all the laws.