Question

This illustration from an old textbook shows some of the over 150 different dog breeds that can be seen around the world today. How do you think all of these different breeds were developed?

Answer 1

Mainly through artificial selection breeding dogs with desired traits with other dogs who have a certain ability to create a new dog with both genes to help out their human friends.

Step-by-step explanation:

Answer 2

when the dogs from different places were brought together and mixed(cross breeding), they developed new breeds.